Description: Right 'and' elimination (intuitionistic logic axiom ax-ia2). (Contributed by Jim Kingdon, 21-May-2018) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | axia2 | ⊢ ( ( 𝜑 ∧ 𝜓 ) → 𝜓 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr | ⊢ ( ( 𝜑 ∧ 𝜓 ) → 𝜓 ) |