| 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 17635 for Moore collections. (Contributed by BJ, 29-Apr-2021.) |
| Ref | Expression |
|---|---|
| fntopon | ⊢ TopOn Fn V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funtopon 22927 | . 2 ⊢ Fun TopOn | |
| 2 | dmtopon 22930 | . 2 ⊢ dom TopOn = V | |
| 3 | df-fn 6563 | . 2 ⊢ (TopOn Fn V ↔ (Fun TopOn ∧ dom TopOn = V)) | |
| 4 | 1, 2, 3 | mpbir2an 711 | 1 ⊢ TopOn Fn V |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1539 Vcvv 3479 dom cdm 5684 Fun wfun 6554 Fn wfn 6555 TopOnctopon 22917 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-sep 5295 ax-nul 5305 ax-pow 5364 ax-pr 5431 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ral 3061 df-rex 3070 df-rab 3436 df-v 3481 df-dif 3953 df-un 3955 df-in 3957 df-ss 3967 df-nul 4333 df-if 4525 df-pw 4601 df-sn 4626 df-pr 4628 df-op 4632 df-uni 4907 df-br 5143 df-opab 5205 df-mpt 5225 df-id 5577 df-xp 5690 df-rel 5691 df-cnv 5692 df-co 5693 df-dm 5694 df-fun 6562 df-fn 6563 df-topon 22918 |
| This theorem is referenced by: toprntopon 22932 |
| Copyright terms: Public domain | W3C validator |