| 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 1210 | . 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 1004 |
| 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 1006 |
| This theorem is referenced by: syl2an3an 1334 funtpg 5383 ftpg 5841 eloprabga 6113 prfidisj 7124 djuenun 7432 addasspig 7555 mulasspig 7557 distrpig 7558 addcanpig 7559 mulcanpig 7560 ltapig 7563 distrnqg 7612 distrnq0 7684 cnegexlem2 8360 zletr 9534 zdivadd 9574 xaddass 10109 iooneg 10228 zltaddlt1le 10247 fzen 10283 fzaddel 10299 fzrev 10324 fzrevral2 10346 fzshftral 10348 fzosubel2 10446 fzonn0p1p1 10464 swrdf 11245 pfxccatin12lem4 11316 resqrexlemover 11593 fisum0diag2 12031 dvdsnegb 12392 muldvds1 12400 muldvds2 12401 dvdscmul 12402 dvdsmulc 12403 dvds2add 12409 dvds2sub 12410 dvdstr 12412 addmodlteqALT 12443 divalgb 12509 ndvdsadd 12515 absmulgcd 12611 rpmulgcd 12620 cncongr2 12699 hashdvds 12816 pythagtriplem1 12861 mulgmodid 13771 nmzsubg 13820 psrbagconf1o 14716 clwwlknccat 16303 |
| Copyright terms: Public domain | W3C validator |