| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 11723 fisum0diag2 12161 dvdsnegb 12522 muldvds1 12530 muldvds2 12531 dvdscmul 12532 dvdsmulc 12533 dvds2add 12539 dvds2sub 12540 dvdstr 12542 addmodlteqALT 12573 divalgb 12639 ndvdsadd 12645 absmulgcd 12741 rpmulgcd 12750 cncongr2 12829 hashdvds 12946 pythagtriplem1 12991 mulgmodid 13917 nmzsubg 13966 psrbagconf1o 14957 clwwlknccat 16547 |
| Copyright terms: Public domain | W3C validator |