| Metamath Proof Explorer |
< Previous
Next >
Related theorems GIF version |
| Description: An inference based on modus ponens. |
| Ref | Expression |
|---|---|
| mpan2.1 | ⊢ ψ |
| mpan2.2 | ⊢ ((φ ∧ ψ) → χ) |
| Ref | Expression |
|---|---|
| mpan2 | ⊢ (φ → χ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpan2.1 | . 2 ⊢ ψ | |
| 2 | mpan2.2 | . . 3 ⊢ ((φ ∧ ψ) → χ) | |
| 3 | 2 | exp 291 | . 2 ⊢ (φ → (ψ → χ)) |
| 4 | 1, 3 | mpi 44 | 1 ⊢ (φ → χ) |