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| Mirrors > Home > HSE Home > Th. List > mdbr4 | Structured version Visualization version GIF version | ||
| Description: Binary relation expressing the modular pair property. This version quantifies an ordering instead of an inference. (Contributed by NM, 6-Jul-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| mdbr4 | ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 𝑀ℋ 𝐵 ↔ ∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mdbr2 32955 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 𝑀ℋ 𝐵 ↔ ∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))))) | |
| 2 | chincl 32158 | . . . . . . . 8 ⊢ ((𝑥 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝑥 ∩ 𝐵) ∈ Cℋ ) | |
| 3 | inss2 4137 | . . . . . . . . 9 ⊢ (𝑥 ∩ 𝐵) ⊆ 𝐵 | |
| 4 | sseq1 3938 | . . . . . . . . . . 11 ⊢ (𝑦 = (𝑥 ∩ 𝐵) → (𝑦 ⊆ 𝐵 ↔ (𝑥 ∩ 𝐵) ⊆ 𝐵)) | |
| 5 | oveq1 7458 | . . . . . . . . . . . . 13 ⊢ (𝑦 = (𝑥 ∩ 𝐵) → (𝑦 ∨ℋ 𝐴) = ((𝑥 ∩ 𝐵) ∨ℋ 𝐴)) | |
| 6 | 5 | ineq1d 4119 | . . . . . . . . . . . 12 ⊢ (𝑦 = (𝑥 ∩ 𝐵) → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) = (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵)) |
| 7 | oveq1 7458 | . . . . . . . . . . . 12 ⊢ (𝑦 = (𝑥 ∩ 𝐵) → (𝑦 ∨ℋ (𝐴 ∩ 𝐵)) = ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵))) | |
| 8 | 6, 7 | sseq12d 3946 | . . . . . . . . . . 11 ⊢ (𝑦 = (𝑥 ∩ 𝐵) → (((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵)) ↔ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 9 | 4, 8 | imbi12d 347 | . . . . . . . . . 10 ⊢ (𝑦 = (𝑥 ∩ 𝐵) → ((𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) ↔ ((𝑥 ∩ 𝐵) ⊆ 𝐵 → (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵))))) |
| 10 | 9 | rspcv 3576 | . . . . . . . . 9 ⊢ ((𝑥 ∩ 𝐵) ∈ Cℋ → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) → ((𝑥 ∩ 𝐵) ⊆ 𝐵 → (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵))))) |
| 11 | 3, 10 | mpii 47 | . . . . . . . 8 ⊢ ((𝑥 ∩ 𝐵) ∈ Cℋ → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) → (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 12 | 2, 11 | syl 18 | . . . . . . 7 ⊢ ((𝑥 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) → (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 13 | 12 | ex 418 | . . . . . 6 ⊢ (𝑥 ∈ Cℋ → (𝐵 ∈ Cℋ → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) → (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵))))) |
| 14 | 13 | com3l 90 | . . . . 5 ⊢ (𝐵 ∈ Cℋ → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) → (𝑥 ∈ Cℋ → (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵))))) |
| 15 | 14 | ralrimdv 3164 | . . . 4 ⊢ (𝐵 ∈ Cℋ → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) → ∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 16 | dfss 4098 | . . . . . . . . . . 11 ⊢ (𝑥 ⊆ 𝐵 ↔ 𝑥 = (𝑥 ∩ 𝐵)) | |
| 17 | 16 | biimpi 219 | . . . . . . . . . 10 ⊢ (𝑥 ⊆ 𝐵 → 𝑥 = (𝑥 ∩ 𝐵)) |
| 18 | 17 | oveq1d 7466 | . . . . . . . . 9 ⊢ (𝑥 ⊆ 𝐵 → (𝑥 ∨ℋ 𝐴) = ((𝑥 ∩ 𝐵) ∨ℋ 𝐴)) |
| 19 | 18 | ineq1d 4119 | . . . . . . . 8 ⊢ (𝑥 ⊆ 𝐵 → ((𝑥 ∨ℋ 𝐴) ∩ 𝐵) = (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵)) |
| 20 | 17 | oveq1d 7466 | . . . . . . . 8 ⊢ (𝑥 ⊆ 𝐵 → (𝑥 ∨ℋ (𝐴 ∩ 𝐵)) = ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵))) |
| 21 | 19, 20 | sseq12d 3946 | . . . . . . 7 ⊢ (𝑥 ⊆ 𝐵 → (((𝑥 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑥 ∨ℋ (𝐴 ∩ 𝐵)) ↔ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 22 | 21 | biimprcd 253 | . . . . . 6 ⊢ ((((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)) → (𝑥 ⊆ 𝐵 → ((𝑥 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑥 ∨ℋ (𝐴 ∩ 𝐵)))) |
| 23 | 22 | ralimi 3103 | . . . . 5 ⊢ (∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)) → ∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → ((𝑥 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑥 ∨ℋ (𝐴 ∩ 𝐵)))) |
| 24 | sseq1 3938 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝑥 ⊆ 𝐵 ↔ 𝑦 ⊆ 𝐵)) | |
| 25 | oveq1 7458 | . . . . . . . . 9 ⊢ (𝑥 = 𝑦 → (𝑥 ∨ℋ 𝐴) = (𝑦 ∨ℋ 𝐴)) | |
| 26 | 25 | ineq1d 4119 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → ((𝑥 ∨ℋ 𝐴) ∩ 𝐵) = ((𝑦 ∨ℋ 𝐴) ∩ 𝐵)) |
| 27 | oveq1 7458 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → (𝑥 ∨ℋ (𝐴 ∩ 𝐵)) = (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) | |
| 28 | 26, 27 | sseq12d 3946 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (((𝑥 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑥 ∨ℋ (𝐴 ∩ 𝐵)) ↔ ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵)))) |
| 29 | 24, 28 | imbi12d 347 | . . . . . 6 ⊢ (𝑥 = 𝑦 → ((𝑥 ⊆ 𝐵 → ((𝑥 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑥 ∨ℋ (𝐴 ∩ 𝐵))) ↔ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))))) |
| 30 | 29 | cbvralvw 3244 | . . . . 5 ⊢ (∀𝑥 ∈ Cℋ (𝑥 ⊆ 𝐵 → ((𝑥 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑥 ∨ℋ (𝐴 ∩ 𝐵))) ↔ ∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵)))) |
| 31 | 23, 30 | sylib 221 | . . . 4 ⊢ (∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)) → ∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵)))) |
| 32 | 15, 31 | impbid1 228 | . . 3 ⊢ (𝐵 ∈ Cℋ → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) ↔ ∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 33 | 32 | adantl 487 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∀𝑦 ∈ Cℋ (𝑦 ⊆ 𝐵 → ((𝑦 ∨ℋ 𝐴) ∩ 𝐵) ⊆ (𝑦 ∨ℋ (𝐴 ∩ 𝐵))) ↔ ∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| 34 | 1, 33 | bitrd 282 | 1 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 𝑀ℋ 𝐵 ↔ ∀𝑥 ∈ Cℋ (((𝑥 ∩ 𝐵) ∨ℋ 𝐴) ∩ 𝐵) ⊆ ((𝑥 ∩ 𝐵) ∨ℋ (𝐴 ∩ 𝐵)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∀wral 3080 ⊆ wss 3900 ∩ cin 4092 class class class wbr 5108 (class class class)co 7451 Cℋ cch 31588 ∨ℋ chj 31592 𝑀ℋ cmd 31625 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-inf2 9679 ax-cc 10552 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317 ax-addf 11318 ax-mulf 11319 ax-hilex 31658 ax-hfvadd 31659 ax-hvcom 31660 ax-hvass 31661 ax-hv0cl 31662 ax-hvaddid 31663 ax-hfvmul 31664 ax-hvmulid 31665 ax-hvmulass 31666 ax-hvdistr1 31667 ax-hvdistr2 31668 ax-hvmul0 31669 ax-hfi 31738 ax-his1 31741 ax-his2 31742 ax-his3 31743 ax-his4 31744 ax-hcompl 31861 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-of 7725 df-om 7912 df-1st 8035 df-2nd 8036 df-supp 8215 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-2o 8515 df-oadd 8518 df-omul 8519 df-er 8755 df-map 8887 df-pm 8888 df-ixp 8964 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-fsupp 9392 df-fi 9440 df-sup 9471 df-inf 9472 df-oi 9541 df-card 10057 df-acn 10060 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-q 13116 df-rp 13161 df-xneg 13281 df-xadd 13282 df-xmul 13283 df-ioo 13520 df-ico 13522 df-icc 13523 df-fz 13680 df-fzo 13829 df-fl 13972 df-seq 14185 df-exp 14245 df-hash 14516 df-cj 15309 df-re 15310 df-im 15311 df-sqrt 15445 df-abs 15446 df-clim 15699 df-rlim 15700 df-sum 15898 df-struct 17369 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-ress 17453 df-plusg 17486 df-mulr 17487 df-starv 17488 df-sca 17489 df-vsca 17490 df-ip 17491 df-tset 17492 df-ple 17493 df-ds 17495 df-unif 17496 df-hom 17497 df-cco 17498 df-euf 17499 df-rest 17643 df-topn 17644 df-0g 17662 df-gsum 17663 df-topgen 17664 df-pt 17665 df-prds 17668 df-xrs 17724 df-qtop 17729 df-imas 17730 df-xps 17732 df-mre 17806 df-mrc 17807 df-acs 17809 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-submnd 19029 df-mulg 19328 df-cntz 19582 df-cmn 20047 df-psmet 21721 df-xmet 21722 df-met 21723 df-bl 21724 df-mopn 21725 df-fbas 21726 df-fg 21727 df-cnfld 21730 df-top 23267 df-topon 23284 df-topsp 23306 df-bases 23319 df-cld 23392 df-ntr 23393 df-cls 23394 df-nei 23471 df-cn 23600 df-cnp 23601 df-lm 23602 df-haus 23688 df-tx 23936 df-hmeo 24129 df-fil 24220 df-fm 24312 df-flim 24313 df-flf 24314 df-xms 24694 df-ms 24695 df-tms 24696 df-cfil 25631 df-cau 25632 df-cmet 25633 df-grpo 31152 df-gid 31153 df-ginv 31154 df-gdiv 31155 df-ablo 31204 df-vc 31218 df-nv 31251 df-va 31254 df-ba 31255 df-sm 31256 df-0v 31257 df-vs 31258 df-nmcv 31259 df-ims 31260 df-dip 31360 df-ssp 31381 df-ph 31472 df-cbn 31522 df-hnorm 31627 df-hba 31628 df-hvsub 31630 df-hlim 31631 df-hcau 31632 df-sh 31866 df-ch 31880 df-oc 31911 df-ch0 31912 df-shs 31967 df-chj 31969 df-md 32939 |
| This theorem is used by: (None) |
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