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Mirrors > Home > MPE Home > Th. List > Mathboxes > pconnpi1 | Structured version Visualization version GIF version |
Description: All fundamental groups in a path-connected space are isomorphic. (Contributed by Mario Carneiro, 12-Feb-2015.) |
Ref | Expression |
---|---|
pconnpi1.x | ⊢ 𝑋 = ∪ 𝐽 |
pconnpi1.p | ⊢ 𝑃 = (𝐽 π1 𝐴) |
pconnpi1.q | ⊢ 𝑄 = (𝐽 π1 𝐵) |
pconnpi1.s | ⊢ 𝑆 = (Base‘𝑃) |
pconnpi1.t | ⊢ 𝑇 = (Base‘𝑄) |
Ref | Expression |
---|---|
pconnpi1 | ⊢ ((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → 𝑃 ≃𝑔 𝑄) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pconnpi1.x | . . 3 ⊢ 𝑋 = ∪ 𝐽 | |
2 | 1 | pconncn 33186 | . 2 ⊢ ((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → ∃𝑓 ∈ (II Cn 𝐽)((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵)) |
3 | eqid 2738 | . . . . 5 ⊢ (𝐽 π1 (𝑓‘0)) = (𝐽 π1 (𝑓‘0)) | |
4 | eqid 2738 | . . . . 5 ⊢ (𝐽 π1 (𝑓‘1)) = (𝐽 π1 (𝑓‘1)) | |
5 | eqid 2738 | . . . . 5 ⊢ (Base‘(𝐽 π1 (𝑓‘0))) = (Base‘(𝐽 π1 (𝑓‘0))) | |
6 | eqid 2738 | . . . . 5 ⊢ ran (ℎ ∈ ∪ (Base‘(𝐽 π1 (𝑓‘0))) ↦ 〈[ℎ]( ≃ph‘𝐽), [((𝑥 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑥)))(*𝑝‘𝐽)(ℎ(*𝑝‘𝐽)𝑓))]( ≃ph‘𝐽)〉) = ran (ℎ ∈ ∪ (Base‘(𝐽 π1 (𝑓‘0))) ↦ 〈[ℎ]( ≃ph‘𝐽), [((𝑥 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑥)))(*𝑝‘𝐽)(ℎ(*𝑝‘𝐽)𝑓))]( ≃ph‘𝐽)〉) | |
7 | simpl1 1190 | . . . . . . 7 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → 𝐽 ∈ PConn) | |
8 | pconntop 33187 | . . . . . . 7 ⊢ (𝐽 ∈ PConn → 𝐽 ∈ Top) | |
9 | 7, 8 | syl 17 | . . . . . 6 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → 𝐽 ∈ Top) |
10 | 1 | toptopon 22066 | . . . . . 6 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘𝑋)) |
11 | 9, 10 | sylib 217 | . . . . 5 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → 𝐽 ∈ (TopOn‘𝑋)) |
12 | simprl 768 | . . . . 5 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → 𝑓 ∈ (II Cn 𝐽)) | |
13 | oveq2 7283 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (1 − 𝑥) = (1 − 𝑦)) | |
14 | 13 | fveq2d 6778 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (𝑓‘(1 − 𝑥)) = (𝑓‘(1 − 𝑦))) |
15 | 14 | cbvmptv 5187 | . . . . 5 ⊢ (𝑥 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑥))) = (𝑦 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑦))) |
16 | 3, 4, 5, 6, 11, 12, 15 | pi1xfrgim 24221 | . . . 4 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → ran (ℎ ∈ ∪ (Base‘(𝐽 π1 (𝑓‘0))) ↦ 〈[ℎ]( ≃ph‘𝐽), [((𝑥 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑥)))(*𝑝‘𝐽)(ℎ(*𝑝‘𝐽)𝑓))]( ≃ph‘𝐽)〉) ∈ ((𝐽 π1 (𝑓‘0)) GrpIso (𝐽 π1 (𝑓‘1)))) |
17 | simprrl 778 | . . . . . . 7 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → (𝑓‘0) = 𝐴) | |
18 | 17 | oveq2d 7291 | . . . . . 6 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → (𝐽 π1 (𝑓‘0)) = (𝐽 π1 𝐴)) |
19 | pconnpi1.p | . . . . . 6 ⊢ 𝑃 = (𝐽 π1 𝐴) | |
20 | 18, 19 | eqtr4di 2796 | . . . . 5 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → (𝐽 π1 (𝑓‘0)) = 𝑃) |
21 | simprrr 779 | . . . . . . 7 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → (𝑓‘1) = 𝐵) | |
22 | 21 | oveq2d 7291 | . . . . . 6 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → (𝐽 π1 (𝑓‘1)) = (𝐽 π1 𝐵)) |
23 | pconnpi1.q | . . . . . 6 ⊢ 𝑄 = (𝐽 π1 𝐵) | |
24 | 22, 23 | eqtr4di 2796 | . . . . 5 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → (𝐽 π1 (𝑓‘1)) = 𝑄) |
25 | 20, 24 | oveq12d 7293 | . . . 4 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → ((𝐽 π1 (𝑓‘0)) GrpIso (𝐽 π1 (𝑓‘1))) = (𝑃 GrpIso 𝑄)) |
26 | 16, 25 | eleqtrd 2841 | . . 3 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → ran (ℎ ∈ ∪ (Base‘(𝐽 π1 (𝑓‘0))) ↦ 〈[ℎ]( ≃ph‘𝐽), [((𝑥 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑥)))(*𝑝‘𝐽)(ℎ(*𝑝‘𝐽)𝑓))]( ≃ph‘𝐽)〉) ∈ (𝑃 GrpIso 𝑄)) |
27 | brgici 18886 | . . 3 ⊢ (ran (ℎ ∈ ∪ (Base‘(𝐽 π1 (𝑓‘0))) ↦ 〈[ℎ]( ≃ph‘𝐽), [((𝑥 ∈ (0[,]1) ↦ (𝑓‘(1 − 𝑥)))(*𝑝‘𝐽)(ℎ(*𝑝‘𝐽)𝑓))]( ≃ph‘𝐽)〉) ∈ (𝑃 GrpIso 𝑄) → 𝑃 ≃𝑔 𝑄) | |
28 | 26, 27 | syl 17 | . 2 ⊢ (((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) ∧ (𝑓 ∈ (II Cn 𝐽) ∧ ((𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐵))) → 𝑃 ≃𝑔 𝑄) |
29 | 2, 28 | rexlimddv 3220 | 1 ⊢ ((𝐽 ∈ PConn ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → 𝑃 ≃𝑔 𝑄) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 〈cop 4567 ∪ cuni 4839 class class class wbr 5074 ↦ cmpt 5157 ran crn 5590 ‘cfv 6433 (class class class)co 7275 [cec 8496 0cc0 10871 1c1 10872 − cmin 11205 [,]cicc 13082 Basecbs 16912 GrpIso cgim 18873 ≃𝑔 cgic 18874 Topctop 22042 TopOnctopon 22059 Cn ccn 22375 IIcii 24038 ≃phcphtpc 24132 *𝑝cpco 24163 π1 cpi1 24166 PConncpconn 33181 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 ax-addf 10950 ax-mulf 10951 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-om 7713 df-1st 7831 df-2nd 7832 df-supp 7978 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-2o 8298 df-er 8498 df-ec 8500 df-qs 8504 df-map 8617 df-ixp 8686 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fsupp 9129 df-fi 9170 df-sup 9201 df-inf 9202 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-q 12689 df-rp 12731 df-xneg 12848 df-xadd 12849 df-xmul 12850 df-ioo 13083 df-icc 13086 df-fz 13240 df-fzo 13383 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-starv 16977 df-sca 16978 df-vsca 16979 df-ip 16980 df-tset 16981 df-ple 16982 df-ds 16984 df-unif 16985 df-hom 16986 df-cco 16987 df-rest 17133 df-topn 17134 df-0g 17152 df-gsum 17153 df-topgen 17154 df-pt 17155 df-prds 17158 df-xrs 17213 df-qtop 17218 df-imas 17219 df-qus 17220 df-xps 17221 df-mre 17295 df-mrc 17296 df-acs 17298 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-submnd 18431 df-grp 18580 df-mulg 18701 df-ghm 18832 df-gim 18875 df-gic 18876 df-cntz 18923 df-cmn 19388 df-psmet 20589 df-xmet 20590 df-met 20591 df-bl 20592 df-mopn 20593 df-cnfld 20598 df-top 22043 df-topon 22060 df-topsp 22082 df-bases 22096 df-cld 22170 df-cn 22378 df-cnp 22379 df-tx 22713 df-hmeo 22906 df-xms 23473 df-ms 23474 df-tms 23475 df-ii 24040 df-htpy 24133 df-phtpy 24134 df-phtpc 24155 df-pco 24168 df-om1 24169 df-pi1 24171 df-pconn 33183 |
This theorem is referenced by: sconnpi1 33201 |
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