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Mirrors > Home > ILE Home > Th. List > ex | GIF version |
Description: Exportation inference. (This theorem used to be labeled "exp" but was changed to "ex" so as not to conflict with the math token "exp", per the June 2006 Metamath spec change.) (Contributed by NM, 5-Aug-1993.) (Proof shortened by Eric Schmidt, 22-Dec-2006.) |
Ref | Expression |
---|---|
exp.1 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
Ref | Expression |
---|---|
ex | ⊢ (𝜑 → (𝜓 → 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-ia3 107 | . 2 ⊢ (𝜑 → (𝜓 → (𝜑 ∧ 𝜓))) | |
2 | exp.1 | . 2 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | |
3 | 1, 2 | syl6 33 | 1 ⊢ (𝜑 → (𝜓 → 𝜒)) |
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