Why is a material condition true if its antecedent is false?
4027
Why does the material conditional have the truth table it does?
36052
What is the difference between necessary and sufficient conditions?
58388
Counterexamples to the continuum hypothesis
78453
212(a)(6)(C)(i) Material Misrepresentation
106583
Why does !new Boolean(false) equals false in JavaScript?
70585
Why does Assuming[x > 0, TrueQ[x > 0]] return False?
60970
Conditional sentences - which is correct?
12186
How does predicate logic handle contradictory statements about something that does not exist?
102081
What is the difference between : and true?
53101
Is it true that the relation |A| < |B| is a sufficient condition for claiming that $f$ is a bijection?
155884
What are the conditions on $\text{tr}(AB) \leq \text{tr(A)} \text{tr(B)}$ to be true?
25208
Speculative conditional: Why does it use the past tense or past perfect tense?
42590
Understanding implication in logic truth tables (excerpt from textbook)
52322
Implication in mathematics - How can A imply B when A is False?
17161
Can anyone make me understand in simple language why the second condition for being an Euclidean domain is superfluous?
134517
Is following contradictory? Can you give an example?
20658
Difficulty in finding a counterexample