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| Mirrors > Home > MPE Home > Th. List > tospos | Structured version Visualization version GIF version | ||
| Description: A Toset is a Poset. (Contributed by Thierry Arnoux, 20-Jan-2018.) |
| Ref | Expression |
|---|---|
| tospos | ⊢ (𝐹 ∈ Toset → 𝐹 ∈ Poset) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2766 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
| 2 | eqid 2766 | . . 3 ⊢ (le‘𝐹) = (le‘𝐹) | |
| 3 | 1, 2 | istos 18497 | . 2 ⊢ (𝐹 ∈ Toset ↔ (𝐹 ∈ Poset ∧ ∀𝑥 ∈ (Base‘𝐹)∀𝑦 ∈ (Base‘𝐹)(𝑥(le‘𝐹)𝑦 ∨ 𝑦(le‘𝐹)𝑥))) |
| 4 | 3 | simplbi 502 | 1 ⊢ (𝐹 ∈ Toset → 𝐹 ∈ Poset) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∨ wo 861 ∈ wcel 2146 ∀wral 3082 class class class wbr 5114 ‘cfv 6543 Basecbs 17294 lecple 17342 Posetcpo 18388 Tosetctos 18495 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2738 ax-nul 5274 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-sbc 3748 df-dif 3911 df-un 3913 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-iota 6499 df-fv 6551 df-toset 18496 |
| This theorem is used by: tltnle 18501 resstos 18511 omndadd2d 20231 omndadd2rd 20232 omndmul2 20234 omndmul 20236 gsumle 20246 orngsqr 21006 ofldchr 21763 odutos 33319 tlt3 33321 xrsclat 33362 isarchi3 33538 archirngz 33540 archiabllem1a 33542 archiabllem2c 33546 ordtrest2NEWlem 34343 ordtrest2NEW 34344 ordtconnlem1 34345 toslat 49801 |
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