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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 6857 | . . . . . 6 ⊢ (𝜑 → ( ≃ph‘𝐽) ∈ V) | |
| 4 | ovexd 7403 | . . . . . 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 25010 | . . . . . . 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 17477 | . . . . 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 25008 | . . . . 5 ⊢ (𝜑 → 𝐺 = ((𝐽 Ω1 𝑌) /s ( ≃ph‘𝐽))) |
| 15 | 5, 6, 7, 8, 10, 2 | pi1buni 25011 | . . . . . . . 8 ⊢ (𝜑 → ∪ 𝐵 = (Base‘(𝐽 Ω1 𝑌))) |
| 16 | 15 | sqxpeqd 5664 | . . . . . . 7 ⊢ (𝜑 → (∪ 𝐵 × ∪ 𝐵) = ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌)))) |
| 17 | 16 | ineq2d 4174 | . . . . . 6 ⊢ (𝜑 → (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)) = (( ≃ph‘𝐽) ∩ ((Base‘(𝐽 Ω1 𝑌)) × (Base‘(𝐽 Ω1 𝑌))))) |
| 18 | 17 | oveq2d 7384 | . . . . 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 24965 | . . . . . 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 3970 | . . . . 5 ⊢ (𝜑 → ∪ 𝐵 ⊆ (II Cn 𝐽)) |
| 24 | 21, 23 | erinxp 8740 | . . . 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 25015 | . . . 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 25005 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑐 ∈ ∪ 𝐵 ∧ 𝑑 ∈ ∪ 𝐵)) → (*𝑝‘𝐽) = (+g‘(𝐽 Ω1 𝑌))) |
| 31 | 30 | oveqd 7385 | . . . . 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 25004 | . . . . 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 17487 | . . 3 ⊢ (𝜑 → + :((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))⟶(∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 39 | 5, 6, 7, 10, 25 | pi1bas3 25014 | . . . . 5 ⊢ (𝜑 → 𝐵 = (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵)))) |
| 40 | 39 | sqxpeqd 5664 | . . . 4 ⊢ (𝜑 → (𝐵 × 𝐵) = ((∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))) × (∪ 𝐵 / (( ≃ph‘𝐽) ∩ (∪ 𝐵 × ∪ 𝐵))))) |
| 41 | 40 | feq2d 6654 | . . 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 6655 | . 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 3442 ∩ cin 3902 ⊆ wss 3903 ∪ cuni 4865 × cxp 5630 “ cima 5635 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 Er wer 8642 / cqs 8644 Basecbs 17148 +gcplusg 17189 /s cqus 17438 TopOnctopon 22869 Cn ccn 23183 IIcii 24839 ≃phcphtpc 24939 *𝑝cpco 24971 Ω1 comi 24972 π1 cpi1 24974 |
| 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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-iin 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-se 5586 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-isom 6509 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-of 7632 df-om 7819 df-1st 7943 df-2nd 7944 df-supp 8113 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-2o 8408 df-er 8645 df-ec 8647 df-qs 8651 df-map 8777 df-ixp 8848 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9277 df-fi 9326 df-sup 9357 df-inf 9358 df-oi 9427 df-card 9863 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-q 12874 df-rp 12918 df-xneg 13038 df-xadd 13039 df-xmul 13040 df-ioo 13277 df-icc 13280 df-fz 13436 df-fzo 13583 df-seq 13937 df-exp 13997 df-hash 14266 df-cj 15034 df-re 15035 df-im 15036 df-sqrt 15170 df-abs 15171 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-mulr 17203 df-starv 17204 df-sca 17205 df-vsca 17206 df-ip 17207 df-tset 17208 df-ple 17209 df-ds 17211 df-unif 17212 df-hom 17213 df-cco 17214 df-rest 17354 df-topn 17355 df-0g 17373 df-gsum 17374 df-topgen 17375 df-pt 17376 df-prds 17379 df-xrs 17435 df-qtop 17440 df-imas 17441 df-qus 17442 df-xps 17443 df-mre 17517 df-mrc 17518 df-acs 17520 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-submnd 18721 df-mulg 19013 df-cntz 19261 df-cmn 19726 df-psmet 21316 df-xmet 21317 df-met 21318 df-bl 21319 df-mopn 21320 df-cnfld 21325 df-top 22853 df-topon 22870 df-topsp 22892 df-bases 22905 df-cld 22978 df-cn 23186 df-cnp 23187 df-tx 23521 df-hmeo 23714 df-xms 24279 df-ms 24280 df-tms 24281 df-ii 24841 df-htpy 24940 df-phtpy 24941 df-phtpc 24962 df-pco 24976 df-om1 24977 df-pi1 24979 |
| This theorem is referenced by: (None) |
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