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Proving the Principle of Vacuous Truth (ILIEKMATHPHYSICS)

Опубликовано: 19 Апрель 2024
на канале: ILIEKMATHPHYSICS
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This proof is referenced from "An Introduction to Formal Logic" by forallx: Calgary. You can construct this proof yourself at: https://proofs.openlogicproject.org/.

Here are the following preliminary results used in the proof:

(i) Suppose Q. Then if P then Q.    • Suppose Q. Then if P then Q (Proof) [...  
(ii) The Contrapositive Law.    • Proving the Contrapositive Law (ILIEK...  

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