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Related theorems GIF version |
| Description: Inference eliminating a conjunct. |
| Ref | Expression |
|---|---|
| pm3.26i.1 | ⊢ (φ ⋀ ψ) |
| Ref | Expression |
|---|---|
| pm3.26i | ⊢ φ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm3.26i.1 | . 2 ⊢ (φ ⋀ ψ) | |
| 2 | pm3.26 319 | . 2 ⊢ ((φ ⋀ ψ) → φ) | |
| 3 | 1, 2 | ax-mp 7 | 1 ⊢ φ |