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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 8466 zletr 9647 zdivadd 9688 xaddass 10224 iooneg 10343 zltaddlt1le 10363 fzen 10400 fzaddel 10417 fzrev 10443 fzrevral2 10465 fzshftral 10467 fzosubel2 10565 fzonn0p1p1 10583 swrdf 11375 pfxccatin12lem4 11446 resqrexlemover 11724 fisum0diag2 12162 dvdsnegb 12523 muldvds1 12531 muldvds2 12532 dvdscmul 12533 dvdsmulc 12534 dvds2add 12540 dvds2sub 12541 dvdstr 12543 addmodlteqALT 12574 divalgb 12640 ndvdsadd 12646 absmulgcd 12742 rpmulgcd 12751 cncongr2 12830 hashdvds 12947 pythagtriplem1 12992 mulgmodid 13918 nmzsubg 13967 psrbagconf1o 14958 clwwlknccat 16548 |
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