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Mirrors > Home > ILE Home > Th. List > sylanr1 | GIF version |
Description: A syllogism inference. (Contributed by NM, 9-Apr-2005.) |
Ref | Expression |
---|---|
sylanr1.1 | ⊢ (𝜑 → 𝜒) |
sylanr1.2 | ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) → 𝜏) |
Ref | Expression |
---|---|
sylanr1 | ⊢ ((𝜓 ∧ (𝜑 ∧ 𝜃)) → 𝜏) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylanr1.1 | . . 3 ⊢ (𝜑 → 𝜒) | |
2 | 1 | anim1i 323 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜒 ∧ 𝜃)) |
3 | sylanr1.2 | . 2 ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) → 𝜏) | |
4 | 2, 3 | sylan2 270 | 1 ⊢ ((𝜓 ∧ (𝜑 ∧ 𝜃)) → 𝜏) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 97 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem is referenced by: adantrll 453 adantrlr 454 |
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