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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 5378 ftpg 5833 eloprabga 6103 prfidisj 7114 djuenun 7420 addasspig 7543 mulasspig 7545 distrpig 7546 addcanpig 7547 mulcanpig 7548 ltapig 7551 distrnqg 7600 distrnq0 7672 cnegexlem2 8348 zletr 9522 zdivadd 9562 xaddass 10097 iooneg 10216 zltaddlt1le 10235 fzen 10271 fzaddel 10287 fzrev 10312 fzrevral2 10334 fzshftral 10336 fzosubel2 10433 fzonn0p1p1 10451 swrdf 11229 pfxccatin12lem4 11300 resqrexlemover 11564 fisum0diag2 12001 dvdsnegb 12362 muldvds1 12370 muldvds2 12371 dvdscmul 12372 dvdsmulc 12373 dvds2add 12379 dvds2sub 12380 dvdstr 12382 addmodlteqALT 12413 divalgb 12479 ndvdsadd 12485 absmulgcd 12581 rpmulgcd 12590 cncongr2 12669 hashdvds 12786 pythagtriplem1 12831 mulgmodid 13741 nmzsubg 13790 clwwlknccat 16232 |
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