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Mirrors > Home > MPE Home > Th. List > syld3an1 | Structured version Visualization version GIF version |
Description: A syllogism inference. (Contributed by NM, 7-Jul-2008.) (Proof shortened by Wolf Lammen, 26-Jun-2022.) |
Ref | Expression |
---|---|
syld3an1.1 | ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜃) → 𝜑) |
syld3an1.2 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜃) → 𝜏) |
Ref | Expression |
---|---|
syld3an1 | ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜃) → 𝜏) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syld3an1.1 | . 2 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜃) → 𝜑) | |
2 | simp2 1135 | . 2 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜃) → 𝜓) | |
3 | simp3 1136 | . 2 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜃) → 𝜃) | |
4 | syld3an1.2 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜃) → 𝜏) | |
5 | 1, 2, 3, 4 | syl3anc 1369 | 1 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜃) → 𝜏) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1085 |
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 206 df-an 395 df-3an 1087 |
This theorem is referenced by: f1dom2g 8967 f1domfi2 9187 entrfi 9195 entrfir 9196 domtrfil 9197 domtrfi 9198 domtrfir 9199 php3 9214 findcard3 9287 npncan 11485 nnpcan 11487 ppncan 11506 muldivdir 11911 subdivcomb1 11913 div2neg 11941 ltmuldiv 12091 opfi1uzind 14466 sgrp2nmndlem4 18845 zndvds 21324 wsuceq123 35090 atlrelat1 38494 cvlatcvr1 38514 dih11 40439 wessf1ornlem 44182 mullimc 44630 mullimcf 44637 icccncfext 44901 stoweidlem34 45048 stoweidlem49 45063 stoweidlem57 45071 sigarexp 45873 f1ocof1ob 46087 el0ldepsnzr 47235 |
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