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| Mirrors > Home > HSE Home > Th. List > mdsymlem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for mdsymi 32892. (Contributed by NM, 1-Jul-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| mdsymlem1.1 | ⊢ 𝐴 ∈ Cℋ |
| mdsymlem1.2 | ⊢ 𝐵 ∈ Cℋ |
| mdsymlem1.3 | ⊢ 𝐶 = (𝐴 ∨ℋ 𝑝) |
| Ref | Expression |
|---|---|
| mdsymlem1 | ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝑝 ⊆ (𝐴 ∨ℋ 𝐵))) → 𝑝 ⊆ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mdsymlem1.1 | . . . . . . 7 ⊢ 𝐴 ∈ Cℋ | |
| 2 | chub2 31989 | . . . . . . 7 ⊢ ((𝑝 ∈ Cℋ ∧ 𝐴 ∈ Cℋ ) → 𝑝 ⊆ (𝐴 ∨ℋ 𝑝)) | |
| 3 | 1, 2 | mpan2 704 | . . . . . 6 ⊢ (𝑝 ∈ Cℋ → 𝑝 ⊆ (𝐴 ∨ℋ 𝑝)) |
| 4 | mdsymlem1.3 | . . . . . 6 ⊢ 𝐶 = (𝐴 ∨ℋ 𝑝) | |
| 5 | 3, 4 | sseqtrrdi 3972 | . . . . 5 ⊢ (𝑝 ∈ Cℋ → 𝑝 ⊆ 𝐶) |
| 6 | mdsymlem1.2 | . . . . . . . 8 ⊢ 𝐵 ∈ Cℋ | |
| 7 | 1, 6 | chjcomi 31949 | . . . . . . 7 ⊢ (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴) |
| 8 | 7 | sseq2i 3960 | . . . . . 6 ⊢ (𝑝 ⊆ (𝐴 ∨ℋ 𝐵) ↔ 𝑝 ⊆ (𝐵 ∨ℋ 𝐴)) |
| 9 | 8 | biimpi 219 | . . . . 5 ⊢ (𝑝 ⊆ (𝐴 ∨ℋ 𝐵) → 𝑝 ⊆ (𝐵 ∨ℋ 𝐴)) |
| 10 | 5, 9 | anim12i 625 | . . . 4 ⊢ ((𝑝 ∈ Cℋ ∧ 𝑝 ⊆ (𝐴 ∨ℋ 𝐵)) → (𝑝 ⊆ 𝐶 ∧ 𝑝 ⊆ (𝐵 ∨ℋ 𝐴))) |
| 11 | ssin 4184 | . . . 4 ⊢ ((𝑝 ⊆ 𝐶 ∧ 𝑝 ⊆ (𝐵 ∨ℋ 𝐴)) ↔ 𝑝 ⊆ (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) | |
| 12 | 10, 11 | sylib 221 | . . 3 ⊢ ((𝑝 ∈ Cℋ ∧ 𝑝 ⊆ (𝐴 ∨ℋ 𝐵)) → 𝑝 ⊆ (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) |
| 13 | 12 | ad2ant2rl 762 | . 2 ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝑝 ⊆ (𝐴 ∨ℋ 𝐵))) → 𝑝 ⊆ (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) |
| 14 | chjcl 31838 | . . . . . . . . 9 ⊢ ((𝐴 ∈ Cℋ ∧ 𝑝 ∈ Cℋ ) → (𝐴 ∨ℋ 𝑝) ∈ Cℋ ) | |
| 15 | 1, 14 | mpan 703 | . . . . . . . 8 ⊢ (𝑝 ∈ Cℋ → (𝐴 ∨ℋ 𝑝) ∈ Cℋ ) |
| 16 | 4, 15 | eqeltrid 2864 | . . . . . . 7 ⊢ (𝑝 ∈ Cℋ → 𝐶 ∈ Cℋ ) |
| 17 | 16 | adantr 486 | . . . . . 6 ⊢ ((𝑝 ∈ Cℋ ∧ 𝐵 𝑀ℋ* 𝐴) → 𝐶 ∈ Cℋ ) |
| 18 | chub1 31988 | . . . . . . . . . 10 ⊢ ((𝐴 ∈ Cℋ ∧ 𝑝 ∈ Cℋ ) → 𝐴 ⊆ (𝐴 ∨ℋ 𝑝)) | |
| 19 | 1, 18 | mpan 703 | . . . . . . . . 9 ⊢ (𝑝 ∈ Cℋ → 𝐴 ⊆ (𝐴 ∨ℋ 𝑝)) |
| 20 | 19, 4 | sseqtrrdi 3972 | . . . . . . . 8 ⊢ (𝑝 ∈ Cℋ → 𝐴 ⊆ 𝐶) |
| 21 | 20 | anim2i 629 | . . . . . . 7 ⊢ ((𝐵 𝑀ℋ* 𝐴 ∧ 𝑝 ∈ Cℋ ) → (𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ 𝐶)) |
| 22 | 21 | ancoms 464 | . . . . . 6 ⊢ ((𝑝 ∈ Cℋ ∧ 𝐵 𝑀ℋ* 𝐴) → (𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ 𝐶)) |
| 23 | dmdi 32783 | . . . . . . . 8 ⊢ (((𝐵 ∈ Cℋ ∧ 𝐴 ∈ Cℋ ∧ 𝐶 ∈ Cℋ ) ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ 𝐶)) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) | |
| 24 | 6, 23 | mp3anl1 1484 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐶 ∈ Cℋ ) ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ 𝐶)) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) |
| 25 | 1, 24 | mpanl1 713 | . . . . . 6 ⊢ ((𝐶 ∈ Cℋ ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ 𝐶)) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) |
| 26 | 17, 22, 25 | syl2anc 596 | . . . . 5 ⊢ ((𝑝 ∈ Cℋ ∧ 𝐵 𝑀ℋ* 𝐴) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) |
| 27 | 26 | adantlr 728 | . . . 4 ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ 𝐵 𝑀ℋ* 𝐴) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = (𝐶 ∩ (𝐵 ∨ℋ 𝐴))) |
| 28 | incom 4155 | . . . . . . 7 ⊢ (𝐶 ∩ 𝐵) = (𝐵 ∩ 𝐶) | |
| 29 | 28 | oveq1i 7423 | . . . . . 6 ⊢ ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = ((𝐵 ∩ 𝐶) ∨ℋ 𝐴) |
| 30 | chincl 31980 | . . . . . . . . 9 ⊢ ((𝐵 ∈ Cℋ ∧ 𝐶 ∈ Cℋ ) → (𝐵 ∩ 𝐶) ∈ Cℋ ) | |
| 31 | 6, 30 | mpan 703 | . . . . . . . 8 ⊢ (𝐶 ∈ Cℋ → (𝐵 ∩ 𝐶) ∈ Cℋ ) |
| 32 | chlejb1 31993 | . . . . . . . . 9 ⊢ (((𝐵 ∩ 𝐶) ∈ Cℋ ∧ 𝐴 ∈ Cℋ ) → ((𝐵 ∩ 𝐶) ⊆ 𝐴 ↔ ((𝐵 ∩ 𝐶) ∨ℋ 𝐴) = 𝐴)) | |
| 33 | 1, 32 | mpan2 704 | . . . . . . . 8 ⊢ ((𝐵 ∩ 𝐶) ∈ Cℋ → ((𝐵 ∩ 𝐶) ⊆ 𝐴 ↔ ((𝐵 ∩ 𝐶) ∨ℋ 𝐴) = 𝐴)) |
| 34 | 16, 31, 33 | 3syl 19 | . . . . . . 7 ⊢ (𝑝 ∈ Cℋ → ((𝐵 ∩ 𝐶) ⊆ 𝐴 ↔ ((𝐵 ∩ 𝐶) ∨ℋ 𝐴) = 𝐴)) |
| 35 | 34 | biimpa 482 | . . . . . 6 ⊢ ((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) → ((𝐵 ∩ 𝐶) ∨ℋ 𝐴) = 𝐴) |
| 36 | 29, 35 | eqtrid 2807 | . . . . 5 ⊢ ((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = 𝐴) |
| 37 | 36 | adantr 486 | . . . 4 ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ 𝐵 𝑀ℋ* 𝐴) → ((𝐶 ∩ 𝐵) ∨ℋ 𝐴) = 𝐴) |
| 38 | 27, 37 | eqtr3d 2797 | . . 3 ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ 𝐵 𝑀ℋ* 𝐴) → (𝐶 ∩ (𝐵 ∨ℋ 𝐴)) = 𝐴) |
| 39 | 38 | adantrr 730 | . 2 ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝑝 ⊆ (𝐴 ∨ℋ 𝐵))) → (𝐶 ∩ (𝐵 ∨ℋ 𝐴)) = 𝐴) |
| 40 | 13, 39 | sseqtrd 3967 | 1 ⊢ (((𝑝 ∈ Cℋ ∧ (𝐵 ∩ 𝐶) ⊆ 𝐴) ∧ (𝐵 𝑀ℋ* 𝐴 ∧ 𝑝 ⊆ (𝐴 ∨ℋ 𝐵))) → 𝑝 ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∩ cin 3898 ⊆ wss 3899 class class class wbr 5103 (class class class)co 7413 Cℋ cch 31410 ∨ℋ chj 31414 𝑀ℋ* cdmd 31448 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-inf2 9620 ax-cc 10437 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 ax-pre-sup 11202 ax-addf 11203 ax-mulf 11204 ax-hilex 31480 ax-hfvadd 31481 ax-hvcom 31482 ax-hvass 31483 ax-hv0cl 31484 ax-hvaddid 31485 ax-hfvmul 31486 ax-hvmulid 31487 ax-hvmulass 31488 ax-hvdistr1 31489 ax-hvdistr2 31490 ax-hvmul0 31491 ax-hfi 31560 ax-his1 31563 ax-his2 31564 ax-his3 31565 ax-his4 31566 ax-hcompl 31683 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7678 df-om 7863 df-1st 7986 df-2nd 7987 df-supp 8159 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-2o 8456 df-oadd 8459 df-omul 8460 df-er 8696 df-map 8828 df-pm 8829 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fsupp 9332 df-fi 9381 df-sup 9412 df-inf 9413 df-oi 9482 df-card 9944 df-acn 9947 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-div 11896 df-nn 12258 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12529 df-z 12616 df-dec 12737 df-uz 12888 df-q 12998 df-rp 13043 df-xneg 13163 df-xadd 13164 df-xmul 13165 df-ioo 13402 df-ico 13404 df-icc 13405 df-fz 13562 df-fzo 13710 df-fl 13853 df-seq 14066 df-exp 14126 df-hash 14395 df-cj 15186 df-re 15187 df-im 15188 df-sqrt 15322 df-abs 15323 df-clim 15575 df-rlim 15576 df-sum 15774 df-struct 17239 df-sets 17256 df-slot 17274 df-ndx 17286 df-base 17302 df-ress 17323 df-plusg 17355 df-mulr 17356 df-starv 17357 df-sca 17358 df-vsca 17359 df-ip 17360 df-tset 17361 df-ple 17362 df-ds 17364 df-unif 17365 df-hom 17366 df-cco 17367 df-rest 17507 df-topn 17508 df-0g 17526 df-gsum 17527 df-topgen 17528 df-pt 17529 df-prds 17532 df-xrs 17588 df-qtop 17593 df-imas 17594 df-xps 17596 df-mre 17670 df-mrc 17671 df-acs 17673 df-mgm 18730 df-sgrp 18821 df-mnd 18837 df-submnd 18892 df-mulg 19191 df-cntz 19444 df-cmn 19909 df-psmet 21577 df-xmet 21578 df-met 21579 df-bl 21580 df-mopn 21581 df-fbas 21582 df-fg 21583 df-cnfld 21586 df-top 23119 df-topon 23136 df-topsp 23158 df-bases 23171 df-cld 23244 df-ntr 23245 df-cls 23246 df-nei 23323 df-cn 23452 df-cnp 23453 df-lm 23454 df-haus 23540 df-tx 23788 df-hmeo 23981 df-fil 24072 df-fm 24164 df-flim 24165 df-flf 24166 df-xms 24546 df-ms 24547 df-tms 24548 df-cfil 25483 df-cau 25484 df-cmet 25485 df-grpo 30974 df-gid 30975 df-ginv 30976 df-gdiv 30977 df-ablo 31026 df-vc 31040 df-nv 31073 df-va 31076 df-ba 31077 df-sm 31078 df-0v 31079 df-vs 31080 df-nmcv 31081 df-ims 31082 df-dip 31182 df-ssp 31203 df-ph 31294 df-cbn 31344 df-hnorm 31449 df-hba 31450 df-hvsub 31452 df-hlim 31453 df-hcau 31454 df-sh 31688 df-ch 31702 df-oc 31733 df-ch0 31734 df-shs 31789 df-chj 31791 df-dmd 32762 |
| This theorem is used by: mdsymlem2 32885 |
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