How can something true follow from a false proposition?
36726
How Implication or Material/Concrete Conditional works when the antecedent is false and the consequent is true
148237
Is ¬¬(¬¬P → P) provable in intuitionistic logic?
122015
"This statement is false" - Propositional Logic
126713
Strong induction and vacuous truth
39138
Is this idiom pythonic? (someBool and "True Result" or "False Result")
56325
If we accept a false statement, can we prove anything?
45481
Prove or disprove validity: $(\forall x \exists y (P(x) \supset Q(y))) \supset(\exists y \forall x (P (x) \supset Q(y)))$
110494
Creating truth tables
33974
How does true/false work in PHP?
40675
Regarding Evaluated True
109858
How could a statement be true without proof?
155679
If union of two theories is not consistent one of them implies a sentence which the other implies opposite of it
73231
Why in implication, if premise is false then implication is true?
44522
Subsets of the reals when the Continuum Hypothesis is assumed false
68265
Why is it sensical for a proposition with a false antecedent to validate to true?
10255
Paradoxes without self-reference?
6119
If both $P$ and $Q$ are true , how can I tell that $P$ implies $Q$?