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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 5412 ftpg 5873 eloprabga 6148 prfidisj 7200 djuenun 7532 addasspig 7661 mulasspig 7663 distrpig 7664 addcanpig 7665 mulcanpig 7666 ltapig 7669 distrnqg 7718 distrnq0 7790 cnegexlem2 8465 zletr 9644 zdivadd 9685 xaddass 10221 iooneg 10340 zltaddlt1le 10360 fzen 10397 fzaddel 10414 fzrev 10440 fzrevral2 10462 fzshftral 10464 fzosubel2 10562 fzonn0p1p1 10580 swrdf 11372 pfxccatin12lem4 11443 resqrexlemover 11720 fisum0diag2 12158 dvdsnegb 12519 muldvds1 12527 muldvds2 12528 dvdscmul 12529 dvdsmulc 12530 dvds2add 12536 dvds2sub 12537 dvdstr 12539 addmodlteqALT 12570 divalgb 12636 ndvdsadd 12642 absmulgcd 12738 rpmulgcd 12747 cncongr2 12826 hashdvds 12943 pythagtriplem1 12988 mulgmodid 13962 nmzsubg 14011 psrbagconf1o 14940 clwwlknccat 16530 |
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