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Mirrors > Home > MPE Home > Th. List > cnf | Structured version Visualization version GIF version |
Description: A continuous function is a mapping. (Contributed by FL, 8-Dec-2006.) (Revised by Mario Carneiro, 21-Aug-2015.) |
Ref | Expression |
---|---|
iscnp2.1 | ⊢ 𝑋 = ∪ 𝐽 |
iscnp2.2 | ⊢ 𝑌 = ∪ 𝐾 |
Ref | Expression |
---|---|
cnf | ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐹:𝑋⟶𝑌) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iscnp2.1 | . . . 4 ⊢ 𝑋 = ∪ 𝐽 | |
2 | iscnp2.2 | . . . 4 ⊢ 𝑌 = ∪ 𝐾 | |
3 | 1, 2 | iscn2 22089 | . . 3 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) ↔ ((𝐽 ∈ Top ∧ 𝐾 ∈ Top) ∧ (𝐹:𝑋⟶𝑌 ∧ ∀𝑥 ∈ 𝐾 (◡𝐹 “ 𝑥) ∈ 𝐽))) |
4 | 3 | simprbi 500 | . 2 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → (𝐹:𝑋⟶𝑌 ∧ ∀𝑥 ∈ 𝐾 (◡𝐹 “ 𝑥) ∈ 𝐽)) |
5 | 4 | simpld 498 | 1 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐹:𝑋⟶𝑌) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2112 ∀wral 3051 ∪ cuni 4805 ◡ccnv 5535 “ cima 5539 ⟶wf 6354 (class class class)co 7191 Topctop 21744 Cn ccn 22075 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-sbc 3684 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-fv 6366 df-ov 7194 df-oprab 7195 df-mpo 7196 df-map 8488 df-top 21745 df-topon 21762 df-cn 22078 |
This theorem is referenced by: cnco 22117 cnclima 22119 cnntri 22122 cnclsi 22123 cnss1 22127 cnss2 22128 cncnpi 22129 cncnp2 22132 cnrest 22136 cnrest2 22137 cnt0 22197 cnt1 22201 cnhaus 22205 dnsconst 22229 cncmp 22243 rncmp 22247 imacmp 22248 cnconn 22273 connima 22276 conncn 22277 2ndcomap 22309 kgencn2 22408 kgencn3 22409 txcnmpt 22475 uptx 22476 txcn 22477 hauseqlcld 22497 xkohaus 22504 xkoptsub 22505 xkopjcn 22507 xkoco1cn 22508 xkoco2cn 22509 xkococnlem 22510 cnmpt11f 22515 cnmpt21f 22523 hmeocnv 22613 hmeores 22622 txhmeo 22654 cnextfres 22920 bndth 23809 evth 23810 evth2 23811 htpyco2 23830 phtpyco2 23841 reparphti 23848 copco 23869 pcopt 23873 pcopt2 23874 pcoass 23875 pcorevlem 23877 pcorev2 23879 hauseqcn 31516 pl1cn 31573 rrhf 31614 esumcocn 31714 cnmbfm 31896 cnpconn 32859 ptpconn 32862 sconnpi1 32868 txsconnlem 32869 cvxsconn 32872 cvmseu 32905 cvmopnlem 32907 cvmfolem 32908 cvmliftmolem1 32910 cvmliftmolem2 32911 cvmliftlem3 32916 cvmliftlem6 32919 cvmliftlem7 32920 cvmliftlem8 32921 cvmliftlem9 32922 cvmliftlem10 32923 cvmliftlem11 32924 cvmliftlem13 32925 cvmliftlem15 32927 cvmlift2lem3 32934 cvmlift2lem5 32936 cvmlift2lem7 32938 cvmlift2lem9 32940 cvmlift2lem10 32941 cvmliftphtlem 32946 cvmlift3lem1 32948 cvmlift3lem2 32949 cvmlift3lem4 32951 cvmlift3lem5 32952 cvmlift3lem6 32953 cvmlift3lem7 32954 cvmlift3lem8 32955 cvmlift3lem9 32956 poimirlem31 35494 poimir 35496 broucube 35497 cnres2 35607 cnresima 35608 hausgraph 40681 refsum2cnlem1 42194 itgsubsticclem 43134 stoweidlem62 43221 cnfsmf 43891 cnneiima 45826 sepfsepc 45837 |
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