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| Mirrors > Home > ILE Home > Th. List > syl3an | GIF version | ||
| Description: A triple syllogism inference. (Contributed by NM, 13-May-2004.) |
| Ref | Expression |
|---|---|
| syl3an.1 | ⊢ (𝜑 → 𝜓) |
| syl3an.2 | ⊢ (𝜒 → 𝜃) |
| syl3an.3 | ⊢ (𝜏 → 𝜂) |
| syl3an.4 | ⊢ ((𝜓 ∧ 𝜃 ∧ 𝜂) → 𝜁) |
| Ref | Expression |
|---|---|
| syl3an | ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → 𝜁) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl3an.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | syl3an.2 | . . 3 ⊢ (𝜒 → 𝜃) | |
| 3 | syl3an.3 | . . 3 ⊢ (𝜏 → 𝜂) | |
| 4 | 1, 2, 3 | 3anim123i 1210 | . 2 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → (𝜓 ∧ 𝜃 ∧ 𝜂)) |
| 5 | syl3an.4 | . 2 ⊢ ((𝜓 ∧ 𝜃 ∧ 𝜂) → 𝜁) | |
| 6 | 4, 5 | syl 14 | 1 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜏) → 𝜁) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1004 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 |
| This theorem is referenced by: syl2an3an 1334 funtpg 5381 ftpg 5838 eloprabga 6108 prfidisj 7119 djuenun 7427 addasspig 7550 mulasspig 7552 distrpig 7553 addcanpig 7554 mulcanpig 7555 ltapig 7558 distrnqg 7607 distrnq0 7679 cnegexlem2 8355 zletr 9529 zdivadd 9569 xaddass 10104 iooneg 10223 zltaddlt1le 10242 fzen 10278 fzaddel 10294 fzrev 10319 fzrevral2 10341 fzshftral 10343 fzosubel2 10441 fzonn0p1p1 10459 swrdf 11237 pfxccatin12lem4 11308 resqrexlemover 11572 fisum0diag2 12010 dvdsnegb 12371 muldvds1 12379 muldvds2 12380 dvdscmul 12381 dvdsmulc 12382 dvds2add 12388 dvds2sub 12389 dvdstr 12391 addmodlteqALT 12422 divalgb 12488 ndvdsadd 12494 absmulgcd 12590 rpmulgcd 12599 cncongr2 12678 hashdvds 12795 pythagtriplem1 12840 mulgmodid 13750 nmzsubg 13799 clwwlknccat 16277 |
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