Logic Philosophy question
48606
Help with a Predicate Logic homework proof
154700
Stuck in logic exercise
113640
Why is there this strange contradiction between the language of logic and that of set theory?
32325
Can there be a valid argument which has a tautology as a conclusion?
108155
How can we justify the use of logic?
578
In classical logic, why is $(p\Rightarrow q)$ True if both $p$ and $q$ are False?
77736
Quantifier Order Matters?
46423
Distributivity of quantifiers over logical connectives
138395
Logic: Using Quantifiers To Express "At Least 2?"
134034
Is logic subjective?
9493
While proving a universal quantification, we begin by "Let ... in ..." or "Arbitrary choose ..."?
52322
Implication in mathematics - How can A imply B when A is False?
75007
How can I prove this relation between the elementary set theory and the elementary logic?
100844
How should I understand "$A$ unless $B$"?
21035
Clarifying on how if p,q is logically equivalent to p only if q
121994
What is the philosophical ground for distinguishing logic and mathematics?
114476
Problem solving Logical Equivalence Question