Single Idea 9398

[catalogued under 4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / c. Derivation rules of PL]

Full Idea

And-Introduction (&I): Given A and B, we may derive A∧B as conclusion. This depends on their previous assumptions.

Clarification

∧ means 'and'

Gist of Idea

∧I: Given A and B, we may derive A∧B

Source

E.J. Lemmon (Beginning Logic [1965], 1.5)

Book Reference

Lemmon,E.J.: 'Beginning Logic' [Nelson 1979], p.40