Register
Filter

Questions by ram_18051996

4 votes
1 answer
1
Relation and Partial order
Is (S, R) a poset if S is the set of all people in the world and (a, b) ∈ R, where a and b are people, if a is not taller than b?
Is (S, R) a poset if S is the set of all people in the world and (a, b) ∈ R, where a and b are people,if a is not taller than b?
2 votes
1 answer
2
Kenneth Rosen Edition 6th Exercise 7.5 Question 3 d (Page No. 507)
R is a relation on the set of all functions from Z to Z. R = { (f, g) | for some C ∈ Z , for all x ∈ Z , f(x) - g(x) = C } is it Equivalence relation or not ?
R is a relation on the set of all functions from Z to Z.R = { (f, g) | for some C ∈ Z , for all x ∈ Z , f(x) - g(x) = C } is it Equivalence relation or not ?
2 votes
1 answer
3
Set theory
{ a } ∈ A but a ∉ A why ? here ' a is the element of set {a} ' ,and ' set {a} is the element of A" , so " a also element of A " . please clear my doubt .
{ a } ∈ A buta ∉ Awhy ?here ' a is the element of set {a} ' ,and ' set {a} is the element of A" , so " a also element of A " . please clear my doubt .
1 votes
2 answers
5
# FREE VARIABLE ( NULL QUANTIFICATION ) Related problem
Given that LHS : [(∃x,α(x))→β] RHS : [∃x,α(x)→β] than which one is valid ? a) LHS → RHS b) RHS → LHS
Given that LHS : [(∃x,α(x))→β]RHS : [∃x,α(x)→β]than which one is valid ?a) LHS → RHSb) RHS → LHS