| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > simplr | GIF version | ||
| Description: Simplification of a conjunction. (Contributed by NM, 20-Mar-2007.) |
| Ref | Expression |
|---|---|
| simplr | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 19 | . 2 ⊢ (𝜓 → 𝜓) | |
| 2 | 1 | ad2antlr 489 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜓) |
| Copyright terms: Public domain | W3C validator |