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Mirrors > Home > MPE Home > Th. List > fntopon | Structured version Visualization version GIF version |
Description: The class TopOn is a function with domain V. Analogue for topologies of fnmre 16298 for Moore collections. (Contributed by BJ, 29-Apr-2021.) |
Ref | Expression |
---|---|
fntopon | ⊢ TopOn Fn V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funtopon 20773 | . 2 ⊢ Fun TopOn | |
2 | dmtopon 20775 | . 2 ⊢ dom TopOn = V | |
3 | df-fn 5929 | . 2 ⊢ (TopOn Fn V ↔ (Fun TopOn ∧ dom TopOn = V)) | |
4 | 1, 2, 3 | mpbir2an 975 | 1 ⊢ TopOn Fn V |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1523 Vcvv 3231 dom cdm 5143 Fun wfun 5920 Fn wfn 5921 TopOnctopon 20763 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1762 ax-4 1777 ax-5 1879 ax-6 1945 ax-7 1981 ax-9 2039 ax-10 2059 ax-11 2074 ax-12 2087 ax-13 2282 ax-ext 2631 ax-sep 4814 ax-nul 4822 ax-pow 4873 ax-pr 4936 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3an 1056 df-tru 1526 df-ex 1745 df-nf 1750 df-sb 1938 df-eu 2502 df-mo 2503 df-clab 2638 df-cleq 2644 df-clel 2647 df-nfc 2782 df-ral 2946 df-rab 2950 df-v 3233 df-dif 3610 df-un 3612 df-in 3614 df-ss 3621 df-nul 3949 df-if 4120 df-pw 4193 df-sn 4211 df-pr 4213 df-op 4217 df-uni 4469 df-br 4686 df-opab 4746 df-mpt 4763 df-id 5053 df-xp 5149 df-rel 5150 df-cnv 5151 df-co 5152 df-dm 5153 df-fun 5928 df-fn 5929 df-topon 20764 |
This theorem is referenced by: toprntopon 20777 |
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