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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 1211 | . 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 1005 |
| 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 1007 |
| This theorem is referenced by: syl2an3an 1335 funtpg 5406 ftpg 5867 eloprabga 6139 prfidisj 7186 djuenun 7518 addasspig 7644 mulasspig 7646 distrpig 7647 addcanpig 7648 mulcanpig 7649 ltapig 7652 distrnqg 7701 distrnq0 7773 cnegexlem2 8448 zletr 9626 zdivadd 9666 xaddass 10201 iooneg 10320 zltaddlt1le 10340 fzen 10376 fzaddel 10392 fzrev 10417 fzrevral2 10439 fzshftral 10441 fzosubel2 10539 fzonn0p1p1 10557 swrdf 11343 pfxccatin12lem4 11414 resqrexlemover 11691 fisum0diag2 12129 dvdsnegb 12490 muldvds1 12498 muldvds2 12499 dvdscmul 12500 dvdsmulc 12501 dvds2add 12507 dvds2sub 12508 dvdstr 12510 addmodlteqALT 12541 divalgb 12607 ndvdsadd 12613 absmulgcd 12709 rpmulgcd 12718 cncongr2 12797 hashdvds 12914 pythagtriplem1 12959 mulgmodid 13870 nmzsubg 13919 psrbagconf1o 14820 clwwlknccat 16410 |
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