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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 2737 | . . . . . 6 ⊢ (𝜑 → ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽)) = ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽))) | |
| 2 | eqidd 2737 | . . . . . 6 ⊢ (𝜑 → (Base‘(𝐽 Ω1 𝑌)) = (Base‘(𝐽 Ω1 𝑌))) | |
| 3 | fvexd 6849 | . . . . . 6 ⊢ (𝜑 → ( ≃ph‘𝐽) ∈ V) | |
| 4 | ovexd 7393 | . . . . . 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 2736 | . . . . . . . 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 24997 | . . . . . . 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 17467 | . . . . 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 24995 | . . . . 5 ⊢ (𝜑 → 𝐺 = ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽))) |
| 15 | 5, 6, 7, 8, 10, 2 | pi1buni 24998 | . . . . . . . 8 ⊢ (𝜑 → ∪ 𝐵 = (Base‘(𝐽 Ω1 𝑌))) |
| 16 | 15 | sqxpeqd 5656 | . . . . . . 7 ⊢ (𝜑 → (∪ 𝐵 × ∪ 𝐵) = ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌)))) |
| 17 | 16 | ineq2d 4172 | . . . . . 6 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) = (( ≃ph‘𝐽) ∩ ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌))))) |
| 18 | 17 | oveq2d 7374 | . . . . 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 2781 | . . . 4 ⊢ (𝜑 → 𝐺 = ((𝐽 Ω1 𝑌) /s (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 20 | phtpcer 24952 | . . . . . 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 3968 | . . . . 5 ⊢ (𝜑 → ∪ 𝐵 ⊆ (II Cn 𝐽)) |
| 24 | 21, 23 | erinxp 8730 | . . . 4 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) Er ∪ 𝐵) |
| 25 | eqid 2736 | . . . . 5 ⊢ (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) = (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) | |
| 26 | eqid 2736 | . . . . 5 ⊢ (+g‘(𝐽 Ω1 𝑌)) = (+g‘(𝐽 Ω1 𝑌)) | |
| 27 | 5, 6, 7, 10, 25, 8, 26 | pi1cpbl 25002 | . . . 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 24992 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (*𝑝‘𝐽) = (+g‘(𝐽 Ω1 𝑌))) |
| 31 | 30 | oveqd 7375 | . . . . 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 770 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → 𝑐 ∈ ∪ 𝐵) | |
| 34 | simprr 772 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → 𝑑 ∈ ∪ 𝐵) | |
| 35 | 8, 28, 29, 32, 33, 34 | om1addcl 24991 | . . . . 5 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (𝑐(*𝑝‘𝐽)𝑑) ∈ ∪ 𝐵) |
| 36 | 31, 35 | eqeltrrd 2837 | . . . 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 17477 | . . 3 ⊢ (𝜑 → + :((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 39 | 5, 6, 7, 10, 25 | pi1bas3 25001 | . . . . 5 ⊢ (𝜑 → 𝐵 = (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 40 | 39 | sqxpeqd 5656 | . . . 4 ⊢ (𝜑 → (𝐵 × 𝐵) = ((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))) |
| 41 | 40 | feq2d 6646 | . . 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 6647 | . 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 1541 ∈ wcel 2113 Vcvv 3440 ∩ cin 3900 ⊆ wss 3901 ∪ cuni 4863 × cxp 5622 “ cima 5627 ⟶wf 6488 ‘cfv 6492 (class class class)co 7358 Er wer 8632 / cqs 8634 Basecbs 17138 +gcplusg 17179 /s cqus 17428 TopOnctopon 22856 Cn ccn 23170 IIcii 24826 ≃phcphtpc 24926 *𝑝cpco 24958 Ω1 comi 24959 π1 cpi1 24961 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 ax-pre-sup 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-iin 4949 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-se 5578 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8103 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-2o 8398 df-er 8635 df-ec 8637 df-qs 8641 df-map 8767 df-ixp 8838 df-en 8886 df-dom 8887 df-sdom 8888 df-fin 8889 df-fsupp 9267 df-fi 9316 df-sup 9347 df-inf 9348 df-oi 9417 df-card 9853 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-div 11797 df-nn 12148 df-2 12210 df-3 12211 df-4 12212 df-5 12213 df-6 12214 df-7 12215 df-8 12216 df-9 12217 df-n0 12404 df-z 12491 df-dec 12610 df-uz 12754 df-q 12864 df-rp 12908 df-xneg 13028 df-xadd 13029 df-xmul 13030 df-ioo 13267 df-icc 13270 df-fz 13426 df-fzo 13573 df-seq 13927 df-exp 13987 df-hash 14256 df-cj 15024 df-re 15025 df-im 15026 df-sqrt 15160 df-abs 15161 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-mulr 17193 df-starv 17194 df-sca 17195 df-vsca 17196 df-ip 17197 df-tset 17198 df-ple 17199 df-ds 17201 df-unif 17202 df-hom 17203 df-cco 17204 df-rest 17344 df-topn 17345 df-0g 17363 df-gsum 17364 df-topgen 17365 df-pt 17366 df-prds 17369 df-xrs 17425 df-qtop 17430 df-imas 17431 df-qus 17432 df-xps 17433 df-mre 17507 df-mrc 17508 df-acs 17510 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-submnd 18711 df-mulg 19000 df-cntz 19248 df-cmn 19713 df-psmet 21303 df-xmet 21304 df-met 21305 df-bl 21306 df-mopn 21307 df-cnfld 21312 df-top 22840 df-topon 22857 df-topsp 22879 df-bases 22892 df-cld 22965 df-cn 23173 df-cnp 23174 df-tx 23508 df-hmeo 23701 df-xms 24266 df-ms 24267 df-tms 24268 df-ii 24828 df-htpy 24927 df-phtpy 24928 df-phtpc 24949 df-pco 24963 df-om1 24964 df-pi1 24966 |
| This theorem is referenced by: (None) |
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