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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ioosconn | Structured version Visualization version GIF version | ||
| Description: An open interval is simply connected. (Contributed by Mario Carneiro, 9-Mar-2015.) |
| Ref | Expression |
|---|---|
| ioosconn | ⊢ ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ SConn |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iccssioo2 13434 | . . 3 ⊢ ((𝑥 ∈ (𝐴(,)𝐵) ∧ 𝑦 ∈ (𝐴(,)𝐵)) → (𝑥[,]𝑦) ⊆ (𝐴(,)𝐵)) | |
| 2 | 1 | rgen2 3205 | . 2 ⊢ ∀𝑥 ∈ (𝐴(,)𝐵)∀𝑦 ∈ (𝐴(,)𝐵)(𝑥[,]𝑦) ⊆ (𝐴(,)𝐵) |
| 3 | ioossre 13422 | . . 3 ⊢ (𝐴(,)𝐵) ⊆ ℝ | |
| 4 | eqid 2765 | . . . . 5 ⊢ ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) = ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) | |
| 5 | 4 | resconn 35604 | . . . 4 ⊢ ((𝐴(,)𝐵) ⊆ ℝ → (((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ SConn ↔ ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ Conn)) |
| 6 | reconn 24943 | . . . 4 ⊢ ((𝐴(,)𝐵) ⊆ ℝ → (((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ Conn ↔ ∀𝑥 ∈ (𝐴(,)𝐵)∀𝑦 ∈ (𝐴(,)𝐵)(𝑥[,]𝑦) ⊆ (𝐴(,)𝐵))) | |
| 7 | 5, 6 | bitr2d 283 | . . 3 ⊢ ((𝐴(,)𝐵) ⊆ ℝ → (∀𝑥 ∈ (𝐴(,)𝐵)∀𝑦 ∈ (𝐴(,)𝐵)(𝑥[,]𝑦) ⊆ (𝐴(,)𝐵) ↔ ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ SConn)) |
| 8 | 3, 7 | ax-mp 5 | . 2 ⊢ (∀𝑥 ∈ (𝐴(,)𝐵)∀𝑦 ∈ (𝐴(,)𝐵)(𝑥[,]𝑦) ⊆ (𝐴(,)𝐵) ↔ ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ SConn) |
| 9 | 2, 8 | mpbi 233 | 1 ⊢ ((topGen‘ran (,)) ↾t (𝐴(,)𝐵)) ∈ SConn |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∈ wcel 2145 ∀wral 3079 ⊆ wss 3907 ran crn 5652 ‘cfv 6525 (class class class)co 7400 ℝcr 11087 (,)cioo 13360 [,]cicc 13363 ↾t crest 17461 topGenctg 17478 Conncconn 23525 SConncsconn 35578 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5231 ax-sep 5250 ax-nul 5260 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 ax-pre-sup 11166 ax-addf 11167 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5105 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6291 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-isom 6534 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-of 7664 df-om 7851 df-1st 7974 df-2nd 7975 df-supp 8145 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-2o 8442 df-er 8682 df-map 8814 df-ixp 8884 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-fsupp 9310 df-fi 9359 df-sup 9390 df-inf 9391 df-oi 9460 df-card 9913 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-div 11860 df-nn 12222 df-2 12291 df-3 12292 df-4 12293 df-5 12294 df-6 12295 df-7 12296 df-8 12297 df-9 12298 df-n0 12493 df-z 12580 df-dec 12700 df-uz 12851 df-q 12961 df-rp 13005 df-xneg 13125 df-xadd 13126 df-xmul 13127 df-ioo 13364 df-ico 13366 df-icc 13367 df-fz 13524 df-fzo 13671 df-seq 14026 df-exp 14086 df-hash 14355 df-cj 15138 df-re 15139 df-im 15140 df-sqrt 15274 df-abs 15275 df-struct 17195 df-sets 17212 df-slot 17230 df-ndx 17242 df-base 17258 df-ress 17279 df-plusg 17311 df-mulr 17312 df-starv 17313 df-sca 17314 df-vsca 17315 df-ip 17316 df-tset 17317 df-ple 17318 df-ds 17320 df-unif 17321 df-hom 17322 df-cco 17323 df-rest 17463 df-topn 17464 df-0g 17482 df-gsum 17483 df-topgen 17484 df-pt 17485 df-prds 17488 df-xrs 17544 df-qtop 17549 df-imas 17550 df-xps 17552 df-mre 17626 df-mrc 17627 df-acs 17629 df-mgm 18686 df-sgrp 18765 df-mnd 18781 df-submnd 18830 df-mulg 19122 df-cntz 19375 df-cmn 19840 df-psmet 21471 df-xmet 21472 df-met 21473 df-bl 21474 df-mopn 21475 df-cnfld 21480 df-top 23008 df-topon 23025 df-topsp 23047 df-bases 23060 df-cld 23133 df-cn 23341 df-cnp 23342 df-conn 23526 df-tx 23676 df-hmeo 23869 df-xms 24434 df-ms 24435 df-tms 24436 df-ii 24993 df-cncf 24994 df-htpy 25086 df-phtpy 25087 df-phtpc 25108 df-pconn 35579 df-sconn 35580 |
| This theorem is referenced by: retopsconn 35607 iccllysconn 35608 rellysconn 35609 |
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