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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 1208 | . 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 1002 |
| 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 1004 |
| This theorem is referenced by: syl2an3an 1332 funtpg 5375 ftpg 5830 eloprabga 6100 prfidisj 7105 djuenun 7410 addasspig 7533 mulasspig 7535 distrpig 7536 addcanpig 7537 mulcanpig 7538 ltapig 7541 distrnqg 7590 distrnq0 7662 cnegexlem2 8338 zletr 9512 zdivadd 9552 xaddass 10082 iooneg 10201 zltaddlt1le 10220 fzen 10256 fzaddel 10272 fzrev 10297 fzrevral2 10319 fzshftral 10321 fzosubel2 10418 fzonn0p1p1 10436 swrdf 11208 pfxccatin12lem4 11279 resqrexlemover 11542 fisum0diag2 11979 dvdsnegb 12340 muldvds1 12348 muldvds2 12349 dvdscmul 12350 dvdsmulc 12351 dvds2add 12357 dvds2sub 12358 dvdstr 12360 addmodlteqALT 12391 divalgb 12457 ndvdsadd 12463 absmulgcd 12559 rpmulgcd 12568 cncongr2 12647 hashdvds 12764 pythagtriplem1 12809 mulgmodid 13719 nmzsubg 13768 clwwlknccat 16191 |
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