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Mirrors > Home > MPE Home > Th. List > syl3anl3 | Structured version Visualization version GIF version |
Description: A syllogism inference. (Contributed by NM, 24-Feb-2005.) |
Ref | Expression |
---|---|
syl3anl3.1 | ⊢ (𝜑 → 𝜃) |
syl3anl3.2 | ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ 𝜏) → 𝜂) |
Ref | Expression |
---|---|
syl3anl3 | ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜑) ∧ 𝜏) → 𝜂) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl3anl3.1 | . . 3 ⊢ (𝜑 → 𝜃) | |
2 | 1 | 3anim3i 1156 | . 2 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → (𝜓 ∧ 𝜒 ∧ 𝜃)) |
3 | syl3anl3.2 | . 2 ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜃) ∧ 𝜏) → 𝜂) | |
4 | 2, 3 | sylan 583 | 1 ⊢ (((𝜓 ∧ 𝜒 ∧ 𝜑) ∧ 𝜏) → 𝜂) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 df-3an 1091 |
This theorem is referenced by: lgsdirnn0 26225 revpfxsfxrev 32790 rdgeqoa 35278 lindsadd 35507 atcvreq0 37065 paddasslem16 37586 |
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