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Mirrors > Home > MPE Home > Th. List > toptopon | Structured version Visualization version GIF version |
Description: Alternative definition of Top in terms of TopOn. (Contributed by Mario Carneiro, 13-Aug-2015.) |
Ref | Expression |
---|---|
toptopon.1 | ⊢ 𝑋 = ∪ 𝐽 |
Ref | Expression |
---|---|
toptopon | ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | toptopon.1 | . . 3 ⊢ 𝑋 = ∪ 𝐽 | |
2 | istopon 20540 | . . 3 ⊢ (𝐽 ∈ (TopOn‘𝑋) ↔ (𝐽 ∈ Top ∧ 𝑋 = ∪ 𝐽)) | |
3 | 1, 2 | mpbiran2 956 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝑋) ↔ 𝐽 ∈ Top) |
4 | 3 | bicomi 213 | 1 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 = wceq 1475 ∈ wcel 1977 ∪ cuni 4372 ‘cfv 5804 Topctop 20517 TopOnctopon 20518 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-iota 5768 df-fun 5806 df-fv 5812 df-topon 20523 |
This theorem is referenced by: eltpsi 20561 neiptopreu 20747 restuni 20776 stoig 20777 restlp 20797 restperf 20798 perfopn 20799 iscn2 20852 iscnp2 20853 lmcvg 20876 cnss1 20890 cnss2 20891 cncnpi 20892 cncnp2 20895 cnnei 20896 cnrest 20899 cnrest2 20900 cnrest2r 20901 cnpresti 20902 cnprest 20903 cnprest2 20904 paste 20908 lmss 20912 lmcnp 20918 lmcn 20919 t1t0 20962 haust1 20966 restcnrm 20976 resthauslem 20977 t1sep2 20983 sshauslem 20986 lmmo 20994 rncmp 21009 conima 21038 concn 21039 1stcelcls 21074 kgeni 21150 kgenuni 21152 kgenftop 21153 kgenss 21156 kgenhaus 21157 kgencmp2 21159 kgenidm 21160 iskgen3 21162 1stckgen 21167 kgencn3 21171 kgen2cn 21172 txuni 21205 ptuniconst 21211 dfac14 21231 ptcnplem 21234 ptcnp 21235 txcnmpt 21237 txcn 21239 ptcn 21240 txindis 21247 txdis1cn 21248 ptrescn 21252 txcmpb 21257 lmcn2 21262 txkgen 21265 xkohaus 21266 xkoptsub 21267 xkopt 21268 cnmpt11 21276 cnmpt11f 21277 cnmpt1t 21278 cnmpt12 21280 cnmpt21 21284 cnmpt21f 21285 cnmpt2t 21286 cnmpt22 21287 cnmpt22f 21288 cnmptcom 21291 cnmptkp 21293 xkofvcn 21297 cnmpt2k 21301 txcon 21302 imasnopn 21303 imasncld 21304 imasncls 21305 qtopcmplem 21320 qtopkgen 21323 qtopss 21328 qtopeu 21329 qtopomap 21331 qtopcmap 21332 kqtop 21358 kqt0 21359 nrmr0reg 21362 regr1 21363 kqreg 21364 kqnrm 21365 hmeof1o 21377 hmeores 21384 hmeoqtop 21388 hmphref 21394 hmphindis 21410 cmphaushmeo 21413 txhmeo 21416 ptunhmeo 21421 xpstopnlem1 21422 ptcmpfi 21426 xkocnv 21427 xkohmeo 21428 kqhmph 21432 hausflim 21595 flimsncls 21600 flfneii 21606 hausflf 21611 cnpflfi 21613 flfcnp 21618 flfcnp2 21621 flimfnfcls 21642 cnpfcfi 21654 flfcntr 21657 cnextfun 21678 cnextfvval 21679 cnextf 21680 cnextcn 21681 cnextfres1 21682 cnextucn 21917 retopon 22377 cnmpt2pc 22535 evth 22566 evth2 22567 htpyco1 22585 htpyco2 22586 phtpyco2 22597 pcopt 22630 pcopt2 22631 pcorevlem 22634 pi1cof 22667 pi1coghm 22669 qtophaus 29231 rrhre 29393 pconcon 30467 conpcon 30471 pconpi1 30473 sconpi1 30475 txsconlem 30476 txscon 30477 cvxscon 30479 cvmsf1o 30508 cvmliftmolem1 30517 cvmliftlem8 30528 cvmlift2lem9a 30539 cvmlift2lem9 30547 cvmlift2lem11 30549 cvmlift2lem12 30550 cvmliftphtlem 30553 cvmlift3lem6 30560 cvmlift3lem8 30562 cvmlift3lem9 30563 bj-toptopon2 32234 cnres2 32732 cnresima 32733 hausgraph 36809 ntrf2 37442 fcnre 38207 |
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