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| Mirrors > Home > MPE Home > Th. List > posprs | Structured version Visualization version GIF version | ||
| Description: A poset is a proset. (Contributed by Stefan O'Rear, 1-Feb-2015.) |
| Ref | Expression |
|---|---|
| posprs | ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2760 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 2 | eqid 2760 | . . 3 ⊢ (le‘𝐾) = (le‘𝐾) | |
| 3 | 1, 2 | ispos2 18403 | . 2 ⊢ (𝐾 ∈ Poset ↔ (𝐾 ∈ Proset ∧ ∀𝑥 ∈ (Base‘𝐾)∀𝑦 ∈ (Base‘𝐾)((𝑥(le‘𝐾)𝑦 ∧ 𝑦(le‘𝐾)𝑥) → 𝑥 = 𝑦))) |
| 4 | 3 | simplbi 502 | 1 ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 ∀wral 3076 class class class wbr 5103 ‘cfv 6533 Basecbs 17301 lecple 17349 Proset cproset 18380 Posetcpo 18395 |
| 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 2147 ax-9 2155 ax-ext 2732 ax-nul 5263 |
| 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 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6489 df-fv 6541 df-proset 18382 df-poset 18401 |
| This theorem is used by: posref 18406 isipodrs 18625 pwrssmgc 33440 mgcf1olem1 33441 mgcf1olem2 33442 mgcf1o 33443 nsgmgc 33841 ordtrest2NEWlem 34432 ordtrest2NEW 34433 ordtconnlem1 34434 exbasprs 49903 basresprsfo 49905 discbas 50498 discthin 50499 |
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