Single Idea 9524

[catalogued under 4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL]

Full Idea

The proof that P→Q -||- ¬P ∨ Q is useful for enabling us to change conditionals into disjunctions.

Gist of Idea

We can change conditionals into disjunctions with P→Q -||- ¬P ∨ Q

Source

E.J. Lemmon (Beginning Logic [1965], 2.2)

Book Reference

Lemmon,E.J.: 'Beginning Logic' [Nelson 1979], p.62

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