New Foundations Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > NFE Home > Th. List > adantr | GIF version |
Description: Inference adding a conjunct to the right of an antecedent. (Contributed by NM, 30-Aug-1993.) |
Ref | Expression |
---|---|
adantr.1 | ⊢ (φ → ψ) |
Ref | Expression |
---|---|
adantr | ⊢ ((φ ∧ χ) → ψ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | adantr.1 | . . 3 ⊢ (φ → ψ) | |
2 | 1 | a1d 22 | . 2 ⊢ (φ → (χ → ψ)) |
3 | 2 | imp 418 | 1 ⊢ ((φ ∧ χ) → ψ) |
Copyright terms: Public domain | W3C validator |