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| Mirrors > Home > MPE Home > Th. List > pi1addf | Structured version Visualization version GIF version | ||
| Description: The group operation of π1 is a binary operation. (Contributed by Jeff Madsen, 11-Jun-2010.) (Revised by Mario Carneiro, 10-Jul-2015.) |
| Ref | Expression |
|---|---|
| elpi1.g | ⊢ 𝐺 = (𝐽 π1 𝑌) |
| elpi1.b | ⊢ 𝐵 = (Base‘𝐺) |
| elpi1.1 | ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋)) |
| elpi1.2 | ⊢ (𝜑 → 𝑌 ∈ 𝑋) |
| pi1addf.p | ⊢ + = (+g‘𝐺) |
| Ref | Expression |
|---|---|
| pi1addf | ⊢ (𝜑 → + :(𝐵 × 𝐵)⟶𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqidd 2738 | . . . . . 6 ⊢ (𝜑 → ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽)) = ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽))) | |
| 2 | eqidd 2738 | . . . . . 6 ⊢ (𝜑 → (Base‘(𝐽 Ω1 𝑌)) = (Base‘(𝐽 Ω1 𝑌))) | |
| 3 | fvexd 6850 | . . . . . 6 ⊢ (𝜑 → ( ≃ph‘𝐽) ∈ V) | |
| 4 | ovexd 7396 | . . . . . 6 ⊢ (𝜑 → (𝐽 Ω1 𝑌) ∈ V) | |
| 5 | elpi1.g | . . . . . . . 8 ⊢ 𝐺 = (𝐽 π1 𝑌) | |
| 6 | elpi1.1 | . . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋)) | |
| 7 | elpi1.2 | . . . . . . . 8 ⊢ (𝜑 → 𝑌 ∈ 𝑋) | |
| 8 | eqid 2737 | . . . . . . . 8 ⊢ (𝐽 Ω1 𝑌) = (𝐽 Ω1 𝑌) | |
| 9 | elpi1.b | . . . . . . . . 9 ⊢ 𝐵 = (Base‘𝐺) | |
| 10 | 9 | a1i 11 | . . . . . . . 8 ⊢ (𝜑 → 𝐵 = (Base‘𝐺)) |
| 11 | 5, 6, 7, 8, 10, 2 | pi1blem 25019 | . . . . . . 7 ⊢ (𝜑 → ((( ≃ph‘𝐽) “ (Base‘(𝐽 Ω1 𝑌))) ⊆ (Base‘(𝐽 Ω1 𝑌)) ∧ (Base‘(𝐽 Ω1 𝑌)) ⊆ (II Cn 𝐽))) |
| 12 | 11 | simpld 494 | . . . . . 6 ⊢ (𝜑 → (( ≃ph‘𝐽) “ (Base‘(𝐽 Ω1 𝑌))) ⊆ (Base‘(𝐽 Ω1 𝑌))) |
| 13 | 1, 2, 3, 4, 12 | qusin 17502 | . . . . 5 ⊢ (𝜑 → ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽)) = ((𝐽 Ω1 𝑌) /s (( ≃ph‘𝐽) ∩ ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌)))))) |
| 14 | 5, 6, 7, 8 | pi1val 25017 | . . . . 5 ⊢ (𝜑 → 𝐺 = ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽))) |
| 15 | 5, 6, 7, 8, 10, 2 | pi1buni 25020 | . . . . . . . 8 ⊢ (𝜑 → ∪ 𝐵 = (Base‘(𝐽 Ω1 𝑌))) |
| 16 | 15 | sqxpeqd 5657 | . . . . . . 7 ⊢ (𝜑 → (∪ 𝐵 × ∪ 𝐵) = ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌)))) |
| 17 | 16 | ineq2d 4161 | . . . . . 6 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) = (( ≃ph‘𝐽) ∩ ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌))))) |
| 18 | 17 | oveq2d 7377 | . . . . 5 ⊢ (𝜑 → ((𝐽 Ω1 𝑌) /s (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) = ((𝐽 Ω1 𝑌) /s (( ≃ph‘𝐽) ∩ ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌)))))) |
| 19 | 13, 14, 18 | 3eqtr4d 2782 | . . . 4 ⊢ (𝜑 → 𝐺 = ((𝐽 Ω1 𝑌) /s (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 20 | phtpcer 24975 | . . . . . 6 ⊢ ( ≃ph‘𝐽) Er (II Cn 𝐽) | |
| 21 | 20 | a1i 11 | . . . . 5 ⊢ (𝜑 → ( ≃ph‘𝐽) Er (II Cn 𝐽)) |
| 22 | 11 | simprd 495 | . . . . . 6 ⊢ (𝜑 → (Base‘(𝐽 Ω1 𝑌)) ⊆ (II Cn 𝐽)) |
| 23 | 15, 22 | eqsstrd 3957 | . . . . 5 ⊢ (𝜑 → ∪ 𝐵 ⊆ (II Cn 𝐽)) |
| 24 | 21, 23 | erinxp 8732 | . . . 4 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) Er ∪ 𝐵) |
| 25 | eqid 2737 | . . . . 5 ⊢ (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) = (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) | |
| 26 | eqid 2737 | . . . . 5 ⊢ (+g‘(𝐽 Ω1 𝑌)) = (+g‘(𝐽 Ω1 𝑌)) | |
| 27 | 5, 6, 7, 10, 25, 8, 26 | pi1cpbl 25024 | . . . 4 ⊢ (𝜑 → ((𝑎(( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))𝑐 ∧ 𝑏(( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))𝑑) → (𝑎(+g‘(𝐽 Ω1 𝑌))𝑏)(( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))(𝑐(+g‘(𝐽 Ω1 𝑌))𝑑))) |
| 28 | 6 | adantr 480 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → 𝐽 ∈ (TopOn‘𝑋)) |
| 29 | 7 | adantr 480 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → 𝑌 ∈ 𝑋) |
| 30 | 8, 28, 29 | om1plusg 25014 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (*𝑝‘𝐽) = (+g‘(𝐽 Ω1 𝑌))) |
| 31 | 30 | oveqd 7378 | . . . . 5 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (𝑐(*𝑝‘𝐽)𝑑) = (𝑐(+g‘(𝐽 Ω1 𝑌))𝑑)) |
| 32 | 15 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → ∪ 𝐵 = (Base‘(𝐽 Ω1 𝑌))) |
| 33 | simprl 771 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → 𝑐 ∈ ∪ 𝐵) | |
| 34 | simprr 773 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → 𝑑 ∈ ∪ 𝐵) | |
| 35 | 8, 28, 29, 32, 33, 34 | om1addcl 25013 | . . . . 5 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (𝑐(*𝑝‘𝐽)𝑑) ∈ ∪ 𝐵) |
| 36 | 31, 35 | eqeltrrd 2838 | . . . 4 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (𝑐(+g‘(𝐽 Ω1 𝑌))𝑑) ∈ ∪ 𝐵) |
| 37 | pi1addf.p | . . . 4 ⊢ + = (+g‘𝐺) | |
| 38 | 19, 15, 24, 4, 27, 36, 26, 37 | qusaddf 17512 | . . 3 ⊢ (𝜑 → + :((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 39 | 5, 6, 7, 10, 25 | pi1bas3 25023 | . . . . 5 ⊢ (𝜑 → 𝐵 = (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 40 | 39 | sqxpeqd 5657 | . . . 4 ⊢ (𝜑 → (𝐵 × 𝐵) = ((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))) |
| 41 | 40 | feq2d 6647 | . . 3 ⊢ (𝜑 → ( + :(𝐵 × 𝐵)⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) ↔ + :((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))) |
| 42 | 38, 41 | mpbird 257 | . 2 ⊢ (𝜑 → + :(𝐵 × 𝐵)⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 43 | 39 | feq3d 6648 | . 2 ⊢ (𝜑 → ( + :(𝐵 × 𝐵)⟶𝐵 ↔ + :(𝐵 × 𝐵)⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))) |
| 44 | 42, 43 | mpbird 257 | 1 ⊢ (𝜑 → + :(𝐵 × 𝐵)⟶𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 Vcvv 3430 ∩ cin 3889 ⊆ wss 3890 ∪ cuni 4851 × cxp 5623 “ cima 5628 ⟶wf 6489 ‘cfv 6493 (class class class)co 7361 Er wer 8634 / cqs 8636 Basecbs 17173 +gcplusg 17214 /s cqus 17463 TopOnctopon 22888 Cn ccn 23202 IIcii 24855 ≃phcphtpc 24949 *𝑝cpco 24980 Ω1 comi 24981 π1 cpi1 24983 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-of 7625 df-om 7812 df-1st 7936 df-2nd 7937 df-supp 8105 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-2o 8400 df-er 8637 df-ec 8639 df-qs 8643 df-map 8769 df-ixp 8840 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-fsupp 9269 df-fi 9318 df-sup 9349 df-inf 9350 df-oi 9419 df-card 9857 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-z 12519 df-dec 12639 df-uz 12783 df-q 12893 df-rp 12937 df-xneg 13057 df-xadd 13058 df-xmul 13059 df-ioo 13296 df-icc 13299 df-fz 13456 df-fzo 13603 df-seq 13958 df-exp 14018 df-hash 14287 df-cj 15055 df-re 15056 df-im 15057 df-sqrt 15191 df-abs 15192 df-struct 17111 df-sets 17128 df-slot 17146 df-ndx 17158 df-base 17174 df-ress 17195 df-plusg 17227 df-mulr 17228 df-starv 17229 df-sca 17230 df-vsca 17231 df-ip 17232 df-tset 17233 df-ple 17234 df-ds 17236 df-unif 17237 df-hom 17238 df-cco 17239 df-rest 17379 df-topn 17380 df-0g 17398 df-gsum 17399 df-topgen 17400 df-pt 17401 df-prds 17404 df-xrs 17460 df-qtop 17465 df-imas 17466 df-qus 17467 df-xps 17468 df-mre 17542 df-mrc 17543 df-acs 17545 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-submnd 18746 df-mulg 19038 df-cntz 19286 df-cmn 19751 df-psmet 21339 df-xmet 21340 df-met 21341 df-bl 21342 df-mopn 21343 df-cnfld 21348 df-top 22872 df-topon 22889 df-topsp 22911 df-bases 22924 df-cld 22997 df-cn 23205 df-cnp 23206 df-tx 23540 df-hmeo 23733 df-xms 24298 df-ms 24299 df-tms 24300 df-ii 24857 df-htpy 24950 df-phtpy 24951 df-phtpc 24972 df-pco 24985 df-om1 24986 df-pi1 24988 |
| This theorem is referenced by: (None) |
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