| New Foundations Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > NFE Home > Th. List > ancr | GIF version | ||
| Description: Conjoin antecedent to right of consequent. (Contributed by NM, 15-Aug-1994.) |
| Ref | Expression |
|---|---|
| ancr | ⊢ ((φ → ψ) → (φ → (ψ ∧ φ))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm3.21 435 | . 2 ⊢ (φ → (ψ → (ψ ∧ φ))) | |
| 2 | 1 | a2i 12 | 1 ⊢ ((φ → ψ) → (φ → (ψ ∧ φ))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 358 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 177 df-an 360 |
| This theorem is referenced by: bimsc1 904 reupick2 3542 intmin4 3956 |
| Copyright terms: Public domain | W3C validator |