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Mirrors > Home > MPE Home > Th. List > syl3an2b | Structured version Visualization version GIF version |
Description: A syllogism inference. (Contributed by NM, 22-Aug-1995.) |
Ref | Expression |
---|---|
syl3an2b.1 | ⊢ (𝜑 ↔ 𝜒) |
syl3an2b.2 | ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜃) → 𝜏) |
Ref | Expression |
---|---|
syl3an2b | ⊢ ((𝜓 ∧ 𝜑 ∧ 𝜃) → 𝜏) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl3an2b.1 | . . 3 ⊢ (𝜑 ↔ 𝜒) | |
2 | 1 | biimpi 206 | . 2 ⊢ (𝜑 → 𝜒) |
3 | syl3an2b.2 | . 2 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜃) → 𝜏) | |
4 | 2, 3 | syl3an2 1360 | 1 ⊢ ((𝜓 ∧ 𝜑 ∧ 𝜃) → 𝜏) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ w3a 1037 |
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 197 df-an 386 df-3an 1039 |
This theorem is referenced by: omlimcl 7658 cflim2 9085 isdrngd 18772 rintopn 20714 cmpcld 21205 funvtxval0 25897 funvtxval0OLD 25898 cusgr0v 26324 cgrcomlr 32105 dissneqlem 33187 pmapglb 35056 |
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