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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 2763 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
| 2 | eqid 2763 | . . 3 ⊢ (le‘𝐹) = (le‘𝐹) | |
| 3 | 1, 2 | istos 18476 | . 2 ⊢ (𝐹 ∈ Toset ↔ (𝐹 ∈ Poset ∧ ∀𝑥 ∈ (Base‘𝐹)∀𝑦 ∈ (Base‘𝐹)(𝑥(le‘𝐹)𝑦 ∨ 𝑦(le‘𝐹)𝑥))) |
| 4 | 3 | simplbi 501 | 1 ⊢ (𝐹 ∈ Toset → 𝐹 ∈ Poset) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∨ wo 860 ∈ wcel 2143 ∀wral 3079 class class class wbr 5109 ‘cfv 6536 Basecbs 17273 lecple 17321 Posetcpo 18367 Tosetctos 18474 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-nul 5269 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-toset 18475 |
| This theorem is used by: tltnle 18480 resstos 18490 omndadd2d 20204 omndadd2rd 20205 omndmul2 20207 omndmul 20209 gsumle 20219 orngsqr 20978 ofldchr 21735 odutos 33297 tlt3 33299 xrsclat 33340 isarchi3 33516 archirngz 33518 archiabllem1a 33520 archiabllem2c 33524 ordtrest2NEWlem 34321 ordtrest2NEW 34322 ordtconnlem1 34323 toslat 49788 |
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