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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 2760 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
| 2 | eqid 2760 | . . 3 ⊢ (le‘𝐹) = (le‘𝐹) | |
| 3 | 1, 2 | istos 18596 | . 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 2144 ∀wral 3076 class class class wbr 5102 ‘cfv 6539 Basecbs 17393 lecple 17441 Posetcpo 18487 Tosetctos 18594 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-nul 5259 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6547 df-toset 18595 |
| This theorem is used by: tltnle 18600 resstos 18610 omndadd2d 20350 omndadd2rd 20351 omndmul2 20353 omndmul 20355 gsumle 20365 orngsqr 21129 ofldchr 21888 odutos 33576 tlt3 33578 xrsclat 33619 isarchi3 33795 archirngz 33797 archiabllem1a 33799 archiabllem2c 33803 ordtrest2NEWlem 34601 ordtrest2NEW 34602 ordtconnlem1 34603 toslat 50190 |
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