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| Mirrors > Home > HSE Home > Th. List > atcvat2 | Structured version Visualization version GIF version | ||
| Description: A Hilbert lattice element covered by the join of two distinct atoms is an atom. (Contributed by NM, 29-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| atcvat2 | ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ HAtoms ∧ 𝐶 ∈ HAtoms) → ((¬ 𝐵 = 𝐶 ∧ 𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶)) → 𝐴 ∈ HAtoms)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1 5099 | . . . . . 6 ⊢ (𝐴 = if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) → (𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶) ↔ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ⋖ℋ (𝐵 ∨ℋ 𝐶))) | |
| 2 | 1 | anbi2d 630 | . . . . 5 ⊢ (𝐴 = if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) → ((¬ 𝐵 = 𝐶 ∧ 𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶)) ↔ (¬ 𝐵 = 𝐶 ∧ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ⋖ℋ (𝐵 ∨ℋ 𝐶)))) |
| 3 | eleq1 2822 | . . . . 5 ⊢ (𝐴 = if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) → (𝐴 ∈ HAtoms ↔ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ∈ HAtoms)) | |
| 4 | 2, 3 | imbi12d 344 | . . . 4 ⊢ (𝐴 = if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) → (((¬ 𝐵 = 𝐶 ∧ 𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶)) → 𝐴 ∈ HAtoms) ↔ ((¬ 𝐵 = 𝐶 ∧ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ⋖ℋ (𝐵 ∨ℋ 𝐶)) → if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ∈ HAtoms))) |
| 5 | 4 | imbi2d 340 | . . 3 ⊢ (𝐴 = if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) → (((𝐵 ∈ HAtoms ∧ 𝐶 ∈ HAtoms) → ((¬ 𝐵 = 𝐶 ∧ 𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶)) → 𝐴 ∈ HAtoms)) ↔ ((𝐵 ∈ HAtoms ∧ 𝐶 ∈ HAtoms) → ((¬ 𝐵 = 𝐶 ∧ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ⋖ℋ (𝐵 ∨ℋ 𝐶)) → if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ∈ HAtoms)))) |
| 6 | h0elch 31279 | . . . . 5 ⊢ 0ℋ ∈ Cℋ | |
| 7 | 6 | elimel 4547 | . . . 4 ⊢ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ∈ Cℋ |
| 8 | 7 | atcvat2i 32411 | . . 3 ⊢ ((𝐵 ∈ HAtoms ∧ 𝐶 ∈ HAtoms) → ((¬ 𝐵 = 𝐶 ∧ if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ⋖ℋ (𝐵 ∨ℋ 𝐶)) → if(𝐴 ∈ Cℋ , 𝐴, 0ℋ) ∈ HAtoms)) |
| 9 | 5, 8 | dedth 4536 | . 2 ⊢ (𝐴 ∈ Cℋ → ((𝐵 ∈ HAtoms ∧ 𝐶 ∈ HAtoms) → ((¬ 𝐵 = 𝐶 ∧ 𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶)) → 𝐴 ∈ HAtoms))) |
| 10 | 9 | 3impib 1116 | 1 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ HAtoms ∧ 𝐶 ∈ HAtoms) → ((¬ 𝐵 = 𝐶 ∧ 𝐴 ⋖ℋ (𝐵 ∨ℋ 𝐶)) → 𝐴 ∈ HAtoms)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ifcif 4477 class class class wbr 5096 (class class class)co 7356 Cℋ cch 30953 ∨ℋ chj 30957 0ℋc0h 30959 ⋖ℋ ccv 30988 HAtomscat 30989 |
| 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 2182 ax-ext 2706 ax-rep 5222 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-inf2 9548 ax-cc 10343 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 ax-pre-sup 11102 ax-addf 11103 ax-mulf 11104 ax-hilex 31023 ax-hfvadd 31024 ax-hvcom 31025 ax-hvass 31026 ax-hv0cl 31027 ax-hvaddid 31028 ax-hfvmul 31029 ax-hvmulid 31030 ax-hvmulass 31031 ax-hvdistr1 31032 ax-hvdistr2 31033 ax-hvmul0 31034 ax-hfi 31103 ax-his1 31106 ax-his2 31107 ax-his3 31108 ax-his4 31109 ax-hcompl 31226 |
| 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 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-tp 4583 df-op 4585 df-uni 4862 df-int 4901 df-iun 4946 df-iin 4947 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7620 df-om 7807 df-1st 7931 df-2nd 7932 df-supp 8101 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-2o 8396 df-oadd 8399 df-omul 8400 df-er 8633 df-map 8763 df-pm 8764 df-ixp 8834 df-en 8882 df-dom 8883 df-sdom 8884 df-fin 8885 df-fsupp 9263 df-fi 9312 df-sup 9343 df-inf 9344 df-oi 9413 df-card 9849 df-acn 9852 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-div 11793 df-nn 12144 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 df-7 12211 df-8 12212 df-9 12213 df-n0 12400 df-z 12487 df-dec 12606 df-uz 12750 df-q 12860 df-rp 12904 df-xneg 13024 df-xadd 13025 df-xmul 13026 df-ioo 13263 df-ico 13265 df-icc 13266 df-fz 13422 df-fzo 13569 df-fl 13710 df-seq 13923 df-exp 13983 df-hash 14252 df-cj 15020 df-re 15021 df-im 15022 df-sqrt 15156 df-abs 15157 df-clim 15409 df-rlim 15410 df-sum 15608 df-struct 17072 df-sets 17089 df-slot 17107 df-ndx 17119 df-base 17135 df-ress 17156 df-plusg 17188 df-mulr 17189 df-starv 17190 df-sca 17191 df-vsca 17192 df-ip 17193 df-tset 17194 df-ple 17195 df-ds 17197 df-unif 17198 df-hom 17199 df-cco 17200 df-rest 17340 df-topn 17341 df-0g 17359 df-gsum 17360 df-topgen 17361 df-pt 17362 df-prds 17365 df-xrs 17421 df-qtop 17426 df-imas 17427 df-xps 17429 df-mre 17503 df-mrc 17504 df-acs 17506 df-mgm 18563 df-sgrp 18642 df-mnd 18658 df-submnd 18707 df-mulg 18996 df-cntz 19244 df-cmn 19709 df-psmet 21299 df-xmet 21300 df-met 21301 df-bl 21302 df-mopn 21303 df-fbas 21304 df-fg 21305 df-cnfld 21308 df-top 22836 df-topon 22853 df-topsp 22875 df-bases 22888 df-cld 22961 df-ntr 22962 df-cls 22963 df-nei 23040 df-cn 23169 df-cnp 23170 df-lm 23171 df-haus 23257 df-tx 23504 df-hmeo 23697 df-fil 23788 df-fm 23880 df-flim 23881 df-flf 23882 df-xms 24262 df-ms 24263 df-tms 24264 df-cfil 25209 df-cau 25210 df-cmet 25211 df-grpo 30517 df-gid 30518 df-ginv 30519 df-gdiv 30520 df-ablo 30569 df-vc 30583 df-nv 30616 df-va 30619 df-ba 30620 df-sm 30621 df-0v 30622 df-vs 30623 df-nmcv 30624 df-ims 30625 df-dip 30725 df-ssp 30746 df-ph 30837 df-cbn 30887 df-hnorm 30992 df-hba 30993 df-hvsub 30995 df-hlim 30996 df-hcau 30997 df-sh 31231 df-ch 31245 df-oc 31276 df-ch0 31277 df-shs 31332 df-span 31333 df-chj 31334 df-chsup 31335 df-pjh 31419 df-cv 32303 df-at 32362 |
| This theorem is referenced by: atcvat3i 32420 |
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