Full Idea
And-Elimination (∧E): Given A∧B, we may derive either A or B separately. The conclusions will depend on the assumptions of the premiss.
Clarification
∧ means 'and'
Gist of Idea
∧E: Given A∧B, we may derive either A or B separately
Source
E.J. Lemmon (Beginning Logic [1965], 1.5)
Book Reference
Lemmon,E.J.: 'Beginning Logic' [Nelson 1979], p.40