Keywords
PTMA, FPTMSA, Level set of a PTMA, CP of FPTMSA
This article introduces the concept of fuzzy pseudo-TM subalgebra (FPTMSA) of pseudo-TM algebra (PTMA). This study explores the relationship between FPTMSAs and their level sets within the context of PTMA. It further investigates the homomorphic behavior of FPTMSAs under various algebraic operations, thereby providing a foundation for further exploration of the algebraic structure of fuzzy pseudo-ideals within PTMAs.
The concept of level sets for FPTMSAs is defined and examined, highlighting their role in characterizing these subalgebras within a PTMA. This study explores the behavior of FPTMSAs under homomorphisms, considering both homomorphic images (HI) and inverse images (II) of FPTMSAs in PTMAs. In addition, the composition of epimorphic images and inverse images of FPTMSAs is discussed. The study also considers the properties of FPTMSAs under Cartesian products (CPs), demonstrating that the Cartesian product of two FPTMSAs remains an FPTMSA.
This study establishes several key properties of FPTMSAs in PTMAs, particularly focusing on their behavior under homomorphisms, epimorphisms, and Cartesian products. Specifically, this study demonstrates that the Cartesian product of two FPTMSAs results in another FPTMSA. Additionally, this study examines the relationships between the homomorphic image and inverse image of FPTMSAs and presents further algebraic results related to these concepts.
The article concludes by highlighting the significant role of FPTMSAs in the structure of PTMAs, particularly in their interaction with homomorphisms, epimorphisms, and Cartesian products. The results suggest that the FPTMSAs are robust under various algebraic operations. Future work will extend these concepts to intuitionistic fuzzy pseudo-TM subalgebra within PTMAs with the goal of uncovering new algebraic insights and results.
PTMA, FPTMSA, Level set of a PTMA, CP of FPTMSA
Iski and Imai examined two types of algebras: -algebras and -algebras.5,4,8 It is established that -algebras form a proper subclass within the broader class of -algebras. Iorgulescu and Georgescu introduced the concept of pseudo- algebra as a generalization of -algebra.1,3 Jun examined the idea of a pseudo-ideal in pseudo-BCK-algebra.9 H. S. Kim and J. Neggers explained the notion of d-algebras, which is another useful generalization of BCK-algebras, and investigated several relations between d-algebras and oriented diagraphs.12 Roh, Jun, and Kim introduced a new concept known as BH algebra, which is a generalization of BCI and BCK-algebras. The FS of a set is defined as a mapping element of to values within the closed interval . In 1965, Zadeh introduced the idea of an FS for a set that was initially introduced.19 Kim10 introduced the concept of BG-algebra, which generalizes B-algebra. Somjanta et al.18 introduced and explored various properties of fuzzy UP-subalgebras and fuzzy UP-ideals within UP algebras. Prabpayak et al.15 examined various results related to fuzzy pseudo-KU algebras. Y. B. H. S., Jun, Kim, and S.S. Ahn7 introduced pseudo-Q-algebras as a generalization of Q-algebras.13 Jawad6 defined the concept of fuzzy pseudo-ideals (FPI) in pseudo Q-algebras. Megalai and Tamilarasi11 introduced TMA, which generalizes BCK, BCH, Q, and BCI algebras. Chanwit and Prabpayak16 presented the concept of homomorphisms in FTMA, and established several properties. Mostafa et al.12 studied the idea of FTMA within TMA and investigated its related properties.
In this article, we present the concept and characteristics of FPTMSAs within PTMA We explain the concept of level subsets in FPTMSA of PTMAs. Various properties of these FPTMSAs have been investigated with respect to homomorphisms and CP leading to several noteworthy findings. We denote if and only if by iff, by minimum, by maximum, by sup, TM algebra by TMA, pseudo TM-algebra by PTMA, fuzzy subset by FS, fuzzy pseudo TM-subalgebra by FPTMSA, pseudo TM homomorphism by PTMH, homomorphic image by HI, inverse image by II, and cartesian product by CP.
In this section, we review the basic results and definitions essential for the analysis presented in this article.
(Ref. 14) A PTMA is defined as an algebra that satisfies the following axioms: For every
In a PTMA , define a relation that iff and . Furthermore, any PTMA in which for every is classified as TMA.
(Ref. 14) In PTMA the next holds for every .
(Ref. 19) Let be a non-void. The mapping is called the FS of . The complement of , denoted by , is given by for each .
(Ref. 2) Let be the FS in . For a fixed , the set is the upper level of . Similarly, is the lower level of .
In addition, we can define the upper-strong and lower-strong level subsets of as follows:
The upper-strong-level subset is .
ii. The lower-strong-level subset is .
(Ref. 19) If , then and for every .
(Ref. 17) A FS of a nonvoid , with a membership map , is said to be the supremum property if, for any subset of , there exists a in which .
(Ref. 17) Let be a mapping, where and are nonempty subsets of . If and are FSs of and , respectively, then the image of under , denoted by , is an FS of defined as follows:
(Ref. 19) Let and be any two FSs of . Then th statements hereunder hold:
In this section, we examine the FPTMSAs within PTMAs and explore some fundamental properties of these subalgebras. Unless specified otherwise, and represent the PTMAs throughout this section and the subsequent sections.
An FS of a PTMA is called an FPTMSA of if the following statements hold.
Let be a set equipped with two binary compositions, and , defined in the tables below.
Thus, forms PTMA. Let and be FSs of defined hereunder.
It is evident that and are FPTMSAs of .
If is an FPTMSA of , then , for each .
Let be a FPTMSA of . Then iff for every .
Assume for every . Claim: for every .
By a PTMA, we have and for every . Thus
From Lemma 3.3, we also have . Therefore, for each .
Conversely, it is assumed for every . Claim: and .
Using Lemma 3.3, for any , so . Also:
Thus, and .
If and are two FPTMSAs of , then their intersection is also FPTMSA of .
Let and be the two FPTMSAs of . Claim: is an FPTMSA of .
Consider . This implies that .
Similarly, . Thus, .
Let be a family of FPTMSA with . Their intersection is also an FPTMSA of .
The union of the two FPTMSAs of is not necessarily an FPTMSA of .
Let be a set of rational numbers. Define two binary operations and on as and for every , where – denotes the usual subtraction in . Thus, is a PTMA.
Clearly, and are the FPTMSAs of .
Consider the union ( ) defined by
Thus, , which contradicts the definition of an FPTMSA. This indicates that the union of the two FPTMSAs may not be an FPTMSA of .
If is an FPTMSA of , then the following results hold.
Suppose that is an FPTMSA of . Claim: and .
i. Since . It implies that and .
ii. Suppose that is an FPTMSA of . From Lemma , for every . If is a sequence in , then . As , we have .
Hence, .
Similarly, . As . Thus, .
Hence, .
Let be non-void for every . An FS of a PTMA is called the upper level of if . Similarly, is the lower level of .
Let be a FPTMSA of . Then the set forms a FPTMSA of .
Suppose that is an FPTMSA of . Let . Then . Now, . This implies that . By Lemma 3.3, for every . It follows that . This implies that . Similarly, . It implies . By Lemma 3.3, for every . It follows that . This implies that . Hence, is an FPTMSA with .
An FS n of a PTMA is an FPTMSA iff for every the level set is either empty or a pseudo TM subalgebra of .
We assume that is an FPTMSA of . Claim: The level subset is either empty or PTMA of . Suppose that the level subset . For any we have and . Then:
Hence, . Therefore, represents the PTMSA of .
Conversely, we assume that is a PTMA of . Claim is the FPTMSA of .
For any . Take . Then which implies that and .
Hence, . Therefore, is a PTMSA with .
Let be a PTMSA of and . If , then the upper level set is either empty or a PTMSA of .
Let be any non-void subset of a PTMA , and let be an FS of defined by
Then, is an FPTMSA of if is a PTMSA of .
We assume that is an FPTMSA of . Claim: is PTMSA of .
Let . Because is an FPTMSA of , we have
Hence, is the FPTMSA of .
Conversely, we assume that is the PTMA of . Claim is the FPTMSA of . Consider Case 1. If , then .
Case 2. If and , then and .Thus
Case 3. If and , then swapping the roles of and in case (2) produces similar results.
Therefore, for each case, is the FPTMSA of .
Any PTMSA of a PTMA can be represented as a level PTMSA of an FPTMSA of .
Let be a PTMSA of a PTMA . For , let be an FS of defined as:
If , then . Then by definition .
If at most one of , then or is equal to 0.
This indicates that is the PTMSA level of , corresponding to an FPTMSA of .
In this section, we explore FPTMSAs within a PTMA under homomorphic conditions. We examined the HI and II of FPTMSAs in a PTMA. In addition, we discuss the composition of two epimorphic images and inverse images of FPTMSAs, along with other related results.
Let and be two pseudo-TMAs. A mapping is called PTMH if and for every .
Note that if is a pseudo-TM homomorphism, then where and are zero constant elements of and respectively.
Let and be two PTMAs. Let be the epimorphism of the PTMAs. If n is an FPTMSA of with the sup-property, then is an FPTMSA of .
and be two PTMAs. Let be an epimorphism of a PTMA. If is an FPTMSA of , then is an FPTMSA of .
We assumed that is an FPTMSA of . Claim: is the FPTMSA of . For any , we have: . Similarly,
Therefore, is a FPTMSA of .
Let be an epimorphism and be an FS in . If is an FPTMSA of , then must be an FPTMSA of .
Let be the homomorphism of the PTMAs. Then, for any FS in in by for all is called the epimorphism of a PTMA .
Let be an epimorphism of a PTMA.Then the FS is an FPTMSA of iff is an FPTMSA of .
Let and be the epimorphism of a PTMAs, and be an FPTMSA. Then, is an FPTMSA of iff is an FPTMSA of , assuming that the sup-property holds.
In this section, we explore the concept of CP in relation to the level subsets of FPTMSA. We demonstrate that the CP of two FPTMSA yields another FPTMSA and investigate additional related results.
Suppose and are PTMAs, with as an FPTMSA of and as an FPTMSA of . The CP of and , denoted as , is defined by
Let and any two FPTMSA of and respectively. Then , for all .
If and are FPTMSA of and respectively, then the defined on is a FPTMSA of .
Let and be the two FS of and respectively. For any the set is called the upper-level subset of .
Let and be the FSs of and , respectively. The forms an FPTMSA of iff the nonvoid upper e-level set is an FPTMSA of .
In this article, we introduce the concept of FSs applied to PTMSAs within PTMAs. We define the idea of an FPTMSA of a PTMA and explore the various results. The characterization of an FPTMSA is provided through its level subsets in PTMA. We investigated several properties of FPTMSAs with homomorphisms and CPs. The HIs and preimages of FPTMSA of a PTMA were examined, and the CP of two FPTMSA was studied, yielding related results. Additionally, we characterized CPs of FPTMSA in their level sets.
In future work, we plan to extend these concepts to the fuzzy pseudo-ideals of a PTMA, aiming to achieve new results.
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Is the work clearly and accurately presented and does it cite the current literature?
Yes
Is the study design appropriate and is the work technically sound?
Yes
Are sufficient details of methods and analysis provided to allow replication by others?
No
If applicable, is the statistical analysis and its interpretation appropriate?
Partly
Are all the source data underlying the results available to ensure full reproducibility?
Yes
Are the conclusions drawn adequately supported by the results?
Yes
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: my research are is Algebra and Fuzzy Algebra
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Version 1 06 Jan 25 |
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