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| Mirrors > Home > MPE Home > Th. List > ordttop | Structured version Visualization version GIF version | ||
| Description: The order topology is a topology. (Contributed by Mario Carneiro, 3-Sep-2015.) |
| Ref | Expression |
|---|---|
| ordttop | ⊢ (𝑅 ∈ 𝑉 → (ordTop‘𝑅) ∈ Top) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2766 | . . 3 ⊢ dom 𝑅 = dom 𝑅 | |
| 2 | 1 | ordttopon 23387 | . 2 ⊢ (𝑅 ∈ 𝑉 → (ordTop‘𝑅) ∈ (TopOn‘dom 𝑅)) |
| 3 | topontop 23107 | . 2 ⊢ ((ordTop‘𝑅) ∈ (TopOn‘dom 𝑅) → (ordTop‘𝑅) ∈ Top) | |
| 4 | 2, 3 | syl 18 | 1 ⊢ (𝑅 ∈ 𝑉 → (ordTop‘𝑅) ∈ Top) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 dom cdm 5666 ‘cfv 6543 ordTopcordt 17578 Topctop 23087 TopOnctopon 23104 |
| 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-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-int 4918 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-om 7872 df-1o 8462 df-2o 8463 df-en 8953 df-fin 8956 df-fi 9381 df-topgen 17521 df-ordt 17580 df-top 23088 df-topon 23105 df-bases 23140 |
| This theorem is used by: ordtrest 23396 ordtrest2lem 23397 ordtrest2 23398 ordtt1 23573 ordtrestNEW 34342 ordtrest2NEWlem 34343 ordtrest2NEW 34344 |
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