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| Mirrors > Home > MPE Home > Th. List > pi1buni | Structured version Visualization version GIF version | ||
| Description: Another way to write the loop space base in terms of the base of the fundamental group. (Contributed by Mario Carneiro, 10-Jul-2015.) |
| Ref | Expression |
|---|---|
| pi1val.g | ⊢ 𝐺 = (𝐽 π1 𝑌) |
| pi1val.1 | ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋)) |
| pi1val.2 | ⊢ (𝜑 → 𝑌 ∈ 𝑋) |
| pi1val.o | ⊢ 𝑂 = (𝐽 Ω1 𝑌) |
| pi1bas.b | ⊢ (𝜑 → 𝐵 = (Base‘𝐺)) |
| pi1bas.k | ⊢ (𝜑 → 𝐾 = (Base‘𝑂)) |
| Ref | Expression |
|---|---|
| pi1buni | ⊢ (𝜑 → ∪ 𝐵 = 𝐾) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pi1val.g | . . . . 5 ⊢ 𝐺 = (𝐽 π1 𝑌) | |
| 2 | pi1val.1 | . . . . 5 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋)) | |
| 3 | pi1val.2 | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝑋) | |
| 4 | pi1val.o | . . . . 5 ⊢ 𝑂 = (𝐽 Ω1 𝑌) | |
| 5 | pi1bas.b | . . . . 5 ⊢ (𝜑 → 𝐵 = (Base‘𝐺)) | |
| 6 | pi1bas.k | . . . . 5 ⊢ (𝜑 → 𝐾 = (Base‘𝑂)) | |
| 7 | 1, 2, 3, 4, 5, 6 | pi1bas 25365 | . . . 4 ⊢ (𝜑 → 𝐵 = (𝐾 / ( ≃ph‘𝐽))) |
| 8 | 1, 2, 3, 4, 5, 6 | pi1blem 25366 | . . . . . 6 ⊢ (𝜑 → ((( ≃ph‘𝐽) “ 𝐾) ⊆ 𝐾 ∧ 𝐾 ⊆ (II Cn 𝐽))) |
| 9 | 8 | simpld 500 | . . . . 5 ⊢ (𝜑 → (( ≃ph‘𝐽) “ 𝐾) ⊆ 𝐾) |
| 10 | qsinxp 8818 | . . . . 5 ⊢ ((( ≃ph‘𝐽) “ 𝐾) ⊆ 𝐾 → (𝐾 / ( ≃ph‘𝐽)) = (𝐾 / (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)))) | |
| 11 | 9, 10 | syl 18 | . . . 4 ⊢ (𝜑 → (𝐾 / ( ≃ph‘𝐽)) = (𝐾 / (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)))) |
| 12 | 7, 11 | eqtrd 2795 | . . 3 ⊢ (𝜑 → 𝐵 = (𝐾 / (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)))) |
| 13 | 12 | unieqd 4879 | . 2 ⊢ (𝜑 → ∪ 𝐵 = ∪ (𝐾 / (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)))) |
| 14 | phtpcer 25322 | . . . . 5 ⊢ ( ≃ph‘𝐽) Er (II Cn 𝐽) | |
| 15 | 14 | a1i 11 | . . . 4 ⊢ (𝜑 → ( ≃ph‘𝐽) Er (II Cn 𝐽)) |
| 16 | 8 | simprd 501 | . . . 4 ⊢ (𝜑 → 𝐾 ⊆ (II Cn 𝐽)) |
| 17 | 15, 16 | erinxp 8816 | . . 3 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)) Er 𝐾) |
| 18 | fvex 6899 | . . . . 5 ⊢ ( ≃ph‘𝐽) ∈ V | |
| 19 | 18 | inex1 5276 | . . . 4 ⊢ (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)) ∈ V |
| 20 | 19 | a1i 11 | . . 3 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾)) ∈ V) |
| 21 | 17, 20 | uniqs2 8801 | . 2 ⊢ (𝜑 → ∪ (𝐾 / (( ≃ph‘𝐽) ∩ (𝐾 × 𝐾))) = 𝐾) |
| 22 | 13, 21 | eqtrd 2795 | 1 ⊢ (𝜑 → ∪ 𝐵 = 𝐾) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 Vcvv 3450 ⊆ wss 3895 ∩ cin 4089 ∪ cuni 4866 × cxp 5648 “ cima 5653 ‘cfv 6539 (class class class)co 7421 Er wer 8718 / cqs 8720 Basecbs 17393 TopOnctopon 23234 Cn ccn 23548 IIcii 25202 ≃phcphtpc 25296 Ω1 comi 25328 π1 cpi1 25330 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-isom 6548 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-of 7694 df-om 7879 df-1st 8002 df-2nd 8003 df-supp 8181 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-2o 8481 df-er 8721 df-ec 8723 df-qs 8727 df-map 8853 df-ixp 8930 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-fsupp 9358 df-fi 9407 df-sup 9438 df-inf 9439 df-oi 9508 df-card 10024 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-z 12698 df-dec 12819 df-uz 12970 df-q 13080 df-rp 13125 df-xneg 13245 df-xadd 13246 df-xmul 13247 df-ioo 13484 df-icc 13487 df-fz 13644 df-fzo 13793 df-seq 14149 df-exp 14209 df-hash 14479 df-cj 15272 df-re 15273 df-im 15274 df-sqrt 15408 df-abs 15409 df-struct 17331 df-sets 17348 df-slot 17366 df-ndx 17378 df-base 17394 df-ress 17415 df-plusg 17447 df-mulr 17448 df-starv 17449 df-sca 17450 df-vsca 17451 df-ip 17452 df-tset 17453 df-ple 17454 df-ds 17456 df-unif 17457 df-hom 17458 df-cco 17459 df-rest 17599 df-topn 17600 df-0g 17618 df-gsum 17619 df-topgen 17620 df-pt 17621 df-prds 17624 df-xrs 17680 df-qtop 17685 df-imas 17686 df-qus 17687 df-xps 17688 df-mre 17762 df-mrc 17763 df-acs 17765 df-mgm 18822 df-sgrp 18914 df-mnd 18930 df-submnd 18985 df-mulg 19284 df-cntz 19537 df-cmn 20002 df-psmet 21676 df-xmet 21677 df-met 21678 df-bl 21679 df-mopn 21680 df-cnfld 21685 df-top 23218 df-topon 23235 df-topsp 23257 df-bases 23270 df-cld 23343 df-cn 23551 df-cnp 23552 df-tx 23887 df-hmeo 24080 df-xms 24645 df-ms 24646 df-tms 24647 df-ii 25204 df-htpy 25297 df-phtpy 25298 df-phtpc 25319 df-om1 25333 df-pi1 25335 |
| This theorem is used by: pi1bas2 25368 pi1eluni 25369 pi1bas3 25370 pi1cpbl 25371 pi1addf 25374 pi1addval 25375 pi1grplem 25376 |
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