![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > fntopon | Structured version Visualization version GIF version |
Description: The class TopOn is a function with domain the universal class V. Analogue for topologies of fnmre 17471 for Moore collections. (Contributed by BJ, 29-Apr-2021.) |
Ref | Expression |
---|---|
fntopon | ⊢ TopOn Fn V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funtopon 22269 | . 2 ⊢ Fun TopOn | |
2 | dmtopon 22272 | . 2 ⊢ dom TopOn = V | |
3 | df-fn 6499 | . 2 ⊢ (TopOn Fn V ↔ (Fun TopOn ∧ dom TopOn = V)) | |
4 | 1, 2, 3 | mpbir2an 709 | 1 ⊢ TopOn Fn V |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1541 Vcvv 3445 dom cdm 5633 Fun wfun 6490 Fn wfn 6491 TopOnctopon 22259 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ral 3065 df-rex 3074 df-rab 3408 df-v 3447 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-op 4593 df-uni 4866 df-br 5106 df-opab 5168 df-mpt 5189 df-id 5531 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-fun 6498 df-fn 6499 df-topon 22260 |
This theorem is referenced by: toprntopon 22274 |
Copyright terms: Public domain | W3C validator |