Keyword Index

A

  • A-lower (resp.‎ Ideals of roughness in L-algebras [Volume 4, Issue 2, 2023, Pages 91-106]
  • Analytical Hierarchy Process Sustainable goals in combating human trafficking: Analysis by mathematics of uncertainty [Volume 1, Issue 1, 2020, Pages 49-59]

B

  • BCI-algebra On the equivalence of sequences dependent on fuzzy ideals in the BCI-algebra [Volume 3, Issue 4, 2022, Pages 65-73]
  • BCK-algebra Commutative neutrosophic quadruple ideals of neutrosophic quadruple BCK-algebras [Volume 1, Issue 1, 2020, Pages 95-105]
  • BCK-algebra n-fold 2-nilpotent(solvable) ideal of a BCK-algebra [Volume 3, Issue 4, 2022, Pages 75-85]
  • BCK-algebra Modal operators on BCK-algebras [Volume 4, Issue 2, 2023, Pages 37-49]
  • BCK-algebras Relation between hyper $K$-algebras with superlattices and hypersemilattices [Volume 1, Issue 4, 2020, Pages 95-106]
  • BCK/BCI-algebra Relations between L-algebras and other logical algebras [Volume 4, Issue 1, 2023, Pages 27-46]
  • Belluce lattice The Belluce lattice associated with a bounded BCK -algebra [Volume 2, Issue 1, 2021, Pages 1-16]
  • BI-algebra On hyper BI-algebras [Volume 2, Issue 1, 2021, Pages 47-67]
  • BI-algebra Applications of states to BI-algebras [Volume 3, Issue 3, 2022, Pages 45-63]
  • Bipolar fuzzy set Quotient bipolar fuzzy soft sets of hypervector spaces and bipolar fuzzy soft sets of quotient hypervector spaces [Volume 4, Issue 2, 2023, Pages 67-90]
  • Birkhoff bisemigroup Implication Zroupoids and Birkhoff Systems [Volume 2, Issue 4, 2021, Pages 1-12]
  • Birkhoff identity Implication Zroupoids and Birkhoff Systems [Volume 2, Issue 4, 2021, Pages 1-12]
  • Birkhoff system Implication Zroupoids and Birkhoff Systems [Volume 2, Issue 4, 2021, Pages 1-12]
  • BL-algebra On fuzzy implicative ideals in BL-algebras [Volume 1, Issue 4, 2020, Pages 83-94]
  • BL-algebra Relations between L-algebras and other logical algebras [Volume 4, Issue 1, 2023, Pages 27-46]
  • Block commutative On block commutative groupoids [Volume 2, Issue 4, 2021, Pages 13-23]
  • Boolean algebra Some types of derivations in bounded commutative residuated lattices [Volume 1, Issue 4, 2020, Pages 21-37]
  • Boolean center New results on Congruence Boolean Lifting Property [Volume 3, Issue 1, 2022, Pages 15-34]
  • Boolean element Ultra deductive systems and (nilpotent) Boolean elements in hoops [Volume 3, Issue 1, 2022, Pages 77-93]
  • Bosbach state Applications of states to BI-algebras [Volume 3, Issue 3, 2022, Pages 45-63]
  • Bounded commutative residuated lattice Some types of derivations in bounded commutative residuated lattices [Volume 1, Issue 4, 2020, Pages 21-37]
  • BZ-algebra Hyper BZ-algebras and semihypergroups [Volume 2, Issue 3, 2021, Pages 13-28]

C

  • Commutative hyperring Some properties of n-hyperideals in commutative hyperrings [Volume 1, Issue 2, 2020, Pages 23-30]
  • Commutator operation New results on Congruence Boolean Lifting Property [Volume 3, Issue 1, 2022, Pages 15-34]
  • Complex fuzzy sets Generalized fuzzy sets with complexities and applications in decision-making problems [Volume 2, Issue 4, 2021, Pages 83-108]
  • Crossing cubic $circ$-subalgebra Crossing cubic ideals of BCK/BCI-algebras [Volume 2, Issue 1, 2021, Pages 17-31]
  • Cubic set Cubic soft matrices with applications in medical diagnosis [Volume 2, Issue 3, 2021, Pages 61-72]
  • Cyclic hypergroup On subhypergroups of cyclic hypergroups [Volume 3, Issue 2, 2022, Pages 59-68]

D

  • Dempster-Shafer theory Sustainable goals in combating human trafficking: Analysis by mathematics of uncertainty [Volume 1, Issue 1, 2020, Pages 49-59]
  • DFS bi-ideals Prime double-framed soft bi-ideals of ordered semigroup [Volume 3, Issue 3, 2022, Pages 1-21]
  • DFS semigroups Prime double-framed soft bi-ideals of ordered semigroup [Volume 3, Issue 3, 2022, Pages 1-21]
  • Di Nola's Representation Theorem Prof. Antonio Di Nola -- 3/4C? [Volume 3, Issue 1, 2022, Pages 1-3]
  • Direct product Hyper equality ideals: Basic properties [Volume 1, Issue 2, 2020, Pages 45-56]
  • Distributive Applications of states to BI-algebras [Volume 3, Issue 3, 2022, Pages 45-63]
  • Dokdo ideal Implicative ideals of BCK-algebras based on Dokdo structure [Volume 3, Issue 3, 2022, Pages 33-43]
  • Dokdo implicative ideal Implicative ideals of BCK-algebras based on Dokdo structure [Volume 3, Issue 3, 2022, Pages 33-43]
  • Dokdo structure Implicative ideals of BCK-algebras based on Dokdo structure [Volume 3, Issue 3, 2022, Pages 33-43]
  • Dokdo subalgebra Implicative ideals of BCK-algebras based on Dokdo structure [Volume 3, Issue 3, 2022, Pages 33-43]
  • Double Boolean algebra Residuated lattices derived from filters(ideals) in double Boolean algebras [Volume 3, Issue 2, 2022, Pages 25-45]
  • Dynamic A longtime season of friendship and scientific collaboration [Volume 3, Issue 1, 2022, Pages 45-60]
  • Dynamic algebra Tense and dynamic algebras related to GFA [Volume 2, Issue 1, 2021, Pages 33-46]

E

  • EMV-algebra What are pseudo EMV-algebras? [Volume 1, Issue 1, 2020, Pages 1-20]
  • Engel graph A combinatorial property of logical algebras [Volume 3, Issue 3, 2022, Pages 23-32]
  • EQ-algebra Results on hoops [Volume 1, Issue 1, 2020, Pages 61-77]
  • EQ-algebra Fuzzy n-fold obstinate and maximal (pre)filters of EQ-algebras [Volume 2, Issue 1, 2021, Pages 83-98]
  • Equality algebra Results on hoops [Volume 1, Issue 1, 2020, Pages 61-77]
  • Equality algebra MBJ-neutrosophic filters of equality algebras [Volume 1, Issue 2, 2020, Pages 57-75]
  • E-set Positive implicative BE-filters of BE-algebras based on Lukasiewicz fuzzy sets [Volume 4, Issue 1, 2023, Pages 1-11]

F

  • Filter MBJ-neutrosophic filters of equality algebras [Volume 1, Issue 2, 2020, Pages 57-75]
  • Filter Ideals in pseudo-hoop algebras [Volume 1, Issue 4, 2020, Pages 39-53]
  • Filter Residuated lattices derived from filters(ideals) in double Boolean algebras [Volume 3, Issue 2, 2022, Pages 25-45]
  • Fundamental relation‎ ‎Some ‎results ‎on ‎g‎‎raded ‎p‎rime and ‎p‎rimary ‎h‎yperideals [Volume 4, Issue 1, 2023, Pages 107-120]
  • Fuzzy graph Connections between reversible regular hypergroups, t-fuzzy subgroups and t-fuzzy graphs [Volume 1, Issue 4, 2020, Pages 71-82]
  • Fuzzy graph Connections between fuzzy multi-groups and fuzzy multi-graphs [Volume 2, Issue 2, 2021, Pages 47-60]
  • Fuzzy hypergroup On $lpha$-solvable fundamental groups [Volume 2, Issue 2, 2021, Pages 35-46]
  • Fuzzy ideal On the equivalence of sequences dependent on fuzzy ideals in the BCI-algebra [Volume 3, Issue 4, 2022, Pages 65-73]
  • Fuzzy logic Prof. Antonio Di Nola -- 3/4C? [Volume 3, Issue 1, 2022, Pages 1-3]
  • Fuzzy multi-graph Connections between fuzzy multi-groups and fuzzy multi-graphs [Volume 2, Issue 2, 2021, Pages 47-60]
  • Fuzzy Sets A brief survey on algebraic hyperstructures: Theory and applications [Volume 1, Issue 3, 2020, Pages 15-29]
  • Fuzzy Sets Two kinds of orthopair soft sets as novel approaches to granular computing based on parametrization [Volume 2, Issue 3, 2021, Pages 41-59]

G

  • Galois connection An algebraic study of LB-valued general fuzzy automata: On the concept of the layers [Volume 4, Issue 2, 2023, Pages 107-121]
  • Graded Krasner hyperring On graded absorbing hyperideals in graded Krasner hyperrings [Volume 3, Issue 3, 2022, Pages 65-84]

H

  • Heyting algebra A lattice-theoretical approach to extensions of filters in algebras of substructural logic [Volume 3, Issue 1, 2022, Pages 5-14]
  • Hilbert algebra Results on hoops [Volume 1, Issue 1, 2020, Pages 61-77]
  • Hoop Results on hoops [Volume 1, Issue 1, 2020, Pages 61-77]
  • Hoop Minimal prime ideals in hoops [Volume 2, Issue 3, 2021, Pages 109-120]
  • Hoop Ultra deductive systems and (nilpotent) Boolean elements in hoops [Volume 3, Issue 1, 2022, Pages 77-93]
  • Hoop Relations between L-algebras and other logical algebras [Volume 4, Issue 1, 2023, Pages 27-46]
  • Human Trafficking Sustainable goals in combating human trafficking: Analysis by mathematics of uncertainty [Volume 1, Issue 1, 2020, Pages 49-59]
  • Hv-fields Fundamental relations in Hv-structures. The ’Judging from the results’ proof [Volume 1, Issue 1, 2020, Pages 21-36]
  • H v -group Mathematical Model for some Chemical Redox Reactions [Volume 4, Issue 1, 2023, Pages 97-105]
  • Hv-group Cyclicity in some classes of Hv-groups [Volume 1, Issue 3, 2020, Pages 91-97]
  • Hv-rings Fundamental relations in Hv-structures. The ’Judging from the results’ proof [Volume 1, Issue 1, 2020, Pages 21-36]
  • H_{v}-structure On strong-inverse elements [Volume 1, Issue 3, 2020, Pages 51-60]
  • Hv -structure From rings to minimal Hv-fields [Volume 1, Issue 3, 2020, Pages 1-14]
  • Hv -structure Hyperstructures on bar of V & V in pieces [Volume 1, Issue 3, 2020, Pages 73-79]
  • Hv -structures Hyperoperations defined on sets of S -helix matrices [Volume 1, Issue 3, 2020, Pages 81-90]
  • Hv-structures Fundamental relations in Hv-structures. The ’Judging from the results’ proof [Volume 1, Issue 1, 2020, Pages 21-36]
  • Hyper BCK-algebra Multipolar fuzzy hyper BCK-ideals of hyper BCK-algebras [Volume 1, Issue 1, 2020, Pages 37-47]
  • Hyper BCK-algebra An overview of hyper logical algebras [Volume 1, Issue 3, 2020, Pages 31-50]
  • Hyper BE-algebra State hyper BE-algebras [Volume 2, Issue 3, 2021, Pages 1-12]
  • Hypergroup Connections between reversible regular hypergroups, t-fuzzy subgroups and t-fuzzy graphs [Volume 1, Issue 4, 2020, Pages 71-82]
  • Hypergroup K-nilpotent groups based on hypergroups [Volume 2, Issue 2, 2021, Pages 61-72]
  • Hyper residuated lattice The category of hyper residuated lattices [Volume 1, Issue 1, 2020, Pages 79-93]
  • Hyper residuated lattice An overview of hyper logical algebras [Volume 1, Issue 3, 2020, Pages 31-50]
  • Hyperstructure From rings to minimal Hv-fields [Volume 1, Issue 3, 2020, Pages 1-14]
  • Hyperstructure On strong-inverse elements [Volume 1, Issue 3, 2020, Pages 51-60]
  • Hyperstructures A brief survey on algebraic hyperstructures: Theory and applications [Volume 1, Issue 3, 2020, Pages 15-29]
  • Hyperstructures Hyperstructures on bar of V & V in pieces [Volume 1, Issue 3, 2020, Pages 73-79]
  • Hyperstructures Hyperoperations defined on sets of S -helix matrices [Volume 1, Issue 3, 2020, Pages 81-90]

I

  • Implication zroupoid Implication Zroupoids and Birkhoff Systems [Volume 2, Issue 4, 2021, Pages 1-12]
  • Integral Hyper EQ-algebra Integral and obstinate prefilters of hyper EQ-algebras [Volume 4, Issue 2, 2023, Pages 51-65]
  • Integral prefilters Integral and obstinate prefilters of hyper EQ-algebras [Volume 4, Issue 2, 2023, Pages 51-65]
  • Interval-valued grey Interval-valued grey (hyper)group [Volume 3, Issue 3, 2022, Pages 85-96]
  • Int-uni DFS set Prime double-framed soft bi-ideals of ordered semigroup [Volume 3, Issue 3, 2022, Pages 1-21]

K

  • K-algebras Spherical fuzzy K-algebras [Volume 2, Issue 3, 2021, Pages 85-98]
  • Krasner hyperfield Hyper vector spaces over Krasner hyperfields [Volume 1, Issue 3, 2020, Pages 61-72]
  • Krasner (m Interval valued (α, β)-fuzzy hyperideals in Krasner (m, n)-hyperrings [Volume 4, Issue 1, 2023, Pages 13-25]
  • Kripke frame Modal representation of coalgebras over local BL-algebras [Volume 2, Issue 4, 2021, Pages 51-62]

L

  • L‎-algebra‎ Ideals of roughness in L-algebras [Volume 4, Issue 2, 2023, Pages 91-106]
  • L-algebra Relations between L-algebras and other logical algebras [Volume 4, Issue 1, 2023, Pages 27-46]
  • L-algebras Block code on L-algebras [Volume 4, Issue 1, 2023, Pages 47-60]
  • Lattice Modal operators on BCK-algebras [Volume 4, Issue 2, 2023, Pages 37-49]
  • Lattice-ordered monoid An algebraic study of LB-valued general fuzzy automata: On the concept of the layers [Volume 4, Issue 2, 2023, Pages 107-121]
  • Lattices of fractions Lattices of fractions and flat morphisms of bounded distributive lattices [Volume 1, Issue 4, 2020, Pages 1-19]
  • Layer An algebraic study of LB-valued general fuzzy automata: On the concept of the layers [Volume 4, Issue 2, 2023, Pages 107-121]
  • LB-valued general fuzzy automata An algebraic study of LB-valued general fuzzy automata: On the concept of the layers [Volume 4, Issue 2, 2023, Pages 107-121]
  • LfBE-filter Positive implicative BE-filters of BE-algebras based on Lukasiewicz fuzzy sets [Volume 4, Issue 1, 2023, Pages 1-11]
  • L-fuzzy prime and maximal substructure L-fuzzy algebraic substructure [Volume 4, Issue 2, 2023, Pages 17-35]
  • L-fuzzy set L-fuzzy algebraic substructure [Volume 4, Issue 2, 2023, Pages 17-35]
  • Lukasiewicz fuzzy ideal Lukasiewicz fuzzy positive implicative ideals in BCK-algebras [Volume 3, Issue 2, 2022, Pages 47-58]
  • Lukasiewicz fuzzy positive implicative Lukasiewicz fuzzy positive implicative ideals in BCK-algebras [Volume 3, Issue 2, 2022, Pages 47-58]
  • Lukasiewicz fuzzy set Lukasiewicz fuzzy positive implicative ideals in BCK-algebras [Volume 3, Issue 2, 2022, Pages 47-58]
  • Lukasiewicz logic Prof. Antonio Di Nola -- 3/4C? [Volume 3, Issue 1, 2022, Pages 1-3]

M

  • Maximal product of two RL-graphs Some applications of maximal product in RL-graphs [Volume 4, Issue 1, 2023, Pages 81-95]
  • MBJneutrosophic filter MBJ-neutrosophic filters of equality algebras [Volume 1, Issue 2, 2020, Pages 57-75]
  • MBJ-neutrosophic ideal Commutative MBJ-neutrosophic ideals of $BCK$-algebras [Volume 2, Issue 1, 2021, Pages 69-81]
  • MBJ-neutrosophic set MBJ-neutrosophic filters of equality algebras [Volume 1, Issue 2, 2020, Pages 57-75]
  • MBJ-neutrosophic set Commutative MBJ-neutrosophic ideals of $BCK$-algebras [Volume 2, Issue 1, 2021, Pages 69-81]
  • Moisil operators Possibility operators over n-valued Gödel logic [Volume 3, Issue 2, 2022, Pages 1-15]
  • MTL-algebra Relations between L-algebras and other logical algebras [Volume 4, Issue 1, 2023, Pages 27-46]
  • Multiplicative hyperring On S-prime hyperideals in multiplicative hyperrings [Volume 2, Issue 2, 2021, Pages 25-34]
  • MV -algebra On the free S^{ω}_{1} -algebras [Volume 1, Issue 2, 2020, Pages 1-7]
  • MV-algebra What are pseudo EMV-algebras? [Volume 1, Issue 1, 2020, Pages 1-20]
  • MV-algebra A longtime season of friendship and scientific collaboration [Volume 3, Issue 1, 2022, Pages 45-60]
  • MV-algebra Ultra deductive systems and (nilpotent) Boolean elements in hoops [Volume 3, Issue 1, 2022, Pages 77-93]
  • MV-algebra Prof. Antonio Di Nola -- 3/4C? [Volume 3, Issue 1, 2022, Pages 1-3]
  • MV-algebra Primary decomposition of A-ideals in MV-semimodules [Volume 3, Issue 4, 2022, Pages 51-64]
  • MV-algebra Relations between L-algebras and other logical algebras [Volume 4, Issue 1, 2023, Pages 27-46]
  • MV-algebra Hausdorff (quasi)topological MV-algebras [Volume 4, Issue 1, 2023, Pages 121-135]
  • MV-module Primary decomposition of A-ideals in MV-semimodules [Volume 3, Issue 4, 2022, Pages 51-64]
  • MV-semimodule Primary decomposition of A-ideals in MV-semimodules [Volume 3, Issue 4, 2022, Pages 51-64]
  • MV-semiring Primary decomposition of A-ideals in MV-semimodules [Volume 3, Issue 4, 2022, Pages 51-64]

N

  • Near homomorphism Near Krasner hyperrings on nearness approximation space [Volume 3, Issue 4, 2022, Pages 1-23]
  • Near hyperideal Near Krasner hyperrings on nearness approximation space [Volume 3, Issue 4, 2022, Pages 1-23]
  • Near Krasner hyperring Near Krasner hyperrings on nearness approximation space [Volume 3, Issue 4, 2022, Pages 1-23]
  • Near prime hyperideal Near Krasner hyperrings on nearness approximation space [Volume 3, Issue 4, 2022, Pages 1-23]
  • Near set Near Krasner hyperrings on nearness approximation space [Volume 3, Issue 4, 2022, Pages 1-23]
  • Near subhyperring Near Krasner hyperrings on nearness approximation space [Volume 3, Issue 4, 2022, Pages 1-23]
  • Neutro-d-algebra On neutro-d-subalgebras [Volume 2, Issue 2, 2021, Pages 13-23]
  • Neutrosophic SuperHyperAlgebra Introduction to SuperHyperAlgebra and Neutrosophic SuperHyperAlgebra [Volume 3, Issue 2, 2022, Pages 17-24]
  • Nuclei Unification in lax logic [Volume 3, Issue 1, 2022, Pages 61-75]

O

  • O-set Lukasiewicz fuzzy positive implicative ideals in BCK-algebras [Volume 3, Issue 2, 2022, Pages 47-58]
  • O-set Commutative ideals of BCI-algebras based on Łukasiewicz fuzzy sets [Volume 3, Issue 4, 2022, Pages 25-36]
  • O-set Positive implicative BE-filters of BE-algebras based on Lukasiewicz fuzzy sets [Volume 4, Issue 1, 2023, Pages 1-11]

P

  • Parallel On ringoids [Volume 3, Issue 4, 2022, Pages 37-50]
  • Polygroup A graph associated to a polygroup with respect to an automorphism [Volume 2, Issue 1, 2021, Pages 99-112]
  • Polygroups On nilpotent and solvable pair of polygroups [Volume 2, Issue 2, 2021, Pages 1-12]
  • Polygroups Nilpotent soft polygroups [Volume 3, Issue 2, 2022, Pages 87-97]
  • Prime ideal Minimal prime ideals in hoops [Volume 2, Issue 3, 2021, Pages 109-120]
  • Projective A longtime season of friendship and scientific collaboration [Volume 3, Issue 1, 2022, Pages 45-60]
  • Pseudo-hoop algebra Ideals in pseudo-hoop algebras [Volume 1, Issue 4, 2020, Pages 39-53]

Q

  • Questionnaires Hyperstructures on bar of V & V in pieces [Volume 1, Issue 3, 2020, Pages 73-79]

R

  • Redox reactions Mathematical Model for some Chemical Redox Reactions [Volume 4, Issue 1, 2023, Pages 97-105]

S

  • Smarandache disjoint On block commutative groupoids [Volume 2, Issue 4, 2021, Pages 13-23]
  • Soft set Neutrosophic soft metric matrices with applications in decision-making [Volume 2, Issue 4, 2021, Pages 63-81]
  • Soft set Quotient bipolar fuzzy soft sets of hypervector spaces and bipolar fuzzy soft sets of quotient hypervector spaces [Volume 4, Issue 2, 2023, Pages 67-90]
  • Spherical fuzzy sets Spherical fuzzy K-algebras [Volume 2, Issue 3, 2021, Pages 85-98]
  • S-prime hyperideal On S-prime hyperideals in multiplicative hyperrings [Volume 2, Issue 2, 2021, Pages 25-34]
  • Subautomaton An algebraic study of LB-valued general fuzzy automata: On the concept of the layers [Volume 4, Issue 2, 2023, Pages 107-121]
  • SuperHyperAlgebra Introduction to SuperHyperAlgebra and Neutrosophic SuperHyperAlgebra [Volume 3, Issue 2, 2022, Pages 17-24]
  • SuperHyperOperation Introduction to SuperHyperAlgebra and Neutrosophic SuperHyperAlgebra [Volume 3, Issue 2, 2022, Pages 17-24]
  • SuperHyperStructures Introduction to SuperHyperAlgebra and Neutrosophic SuperHyperAlgebra [Volume 3, Issue 2, 2022, Pages 17-24]
  • Sustainable development goals Sustainable goals in combating human trafficking: Analysis by mathematics of uncertainty [Volume 1, Issue 1, 2020, Pages 49-59]

T

  • Terminal The category of hyper residuated lattices [Volume 1, Issue 1, 2020, Pages 79-93]
  • Ti-space Hausdorff (quasi)topological MV-algebras [Volume 4, Issue 1, 2023, Pages 121-135]
  • Two dimensional event (set) Two dimensional event set and its application in algebraic structures [Volume 1, Issue 2, 2020, Pages 9-21]

U

  • Uncertainty Two kinds of orthopair soft sets as novel approaches to granular computing based on parametrization [Volume 2, Issue 3, 2021, Pages 41-59]
  • Uni-soft ideal On uni-soft p-semisimple ideals and uni-soft strong ideals in BCI-algebras [Volume 2, Issue 3, 2021, Pages 99-108]
  • Uni-soft semi-hypergroup Characterization of ordered semihypergroups in terms of uni-soft bi-hyperideals [Volume 1, Issue 4, 2020, Pages 55-70]
  • UP-hyperalgebra A note on UP-hyperalgebras [Volume 1, Issue 2, 2020, Pages 77-95]
  • UP-hyperideal of types 1 and 2 A note on UP-hyperalgebras [Volume 1, Issue 2, 2020, Pages 77-95]
  • UP-hyper subalgebra A note on UP-hyperalgebras [Volume 1, Issue 2, 2020, Pages 77-95]

V

  • Vague graph Irregular vague graphs [Volume 2, Issue 2, 2021, Pages 73-90]
  • Variety On the free S^{ω}_{1} -algebras [Volume 1, Issue 2, 2020, Pages 1-7]
  • Variety A longtime season of friendship and scientific collaboration [Volume 3, Issue 1, 2022, Pages 45-60]
  • V & V bar Hyperstructures on bar of V & V in pieces [Volume 1, Issue 3, 2020, Pages 73-79]

W

  • Weak pseudo EMV-algebra A short note on categorical equivalences of proper weak pseudo EMV-algebras [Volume 3, Issue 1, 2022, Pages 35-44]