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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cdlemedb | Structured version Visualization version GIF version | ||
| Description: Part of proof of Lemma E in [Crawley] p. 113. Utility lemma. π· represents s2. (Contributed by NM, 20-Nov-2012.) |
| Ref | Expression |
|---|---|
| cdlemeda.l | β’ β€ = (leβπΎ) |
| cdlemeda.j | β’ β¨ = (joinβπΎ) |
| cdlemeda.m | β’ β§ = (meetβπΎ) |
| cdlemeda.a | β’ π΄ = (AtomsβπΎ) |
| cdlemeda.h | β’ π» = (LHypβπΎ) |
| cdlemeda.d | β’ π· = ((π β¨ π) β§ π) |
| cdlemedb.b | β’ π΅ = (BaseβπΎ) |
| Ref | Expression |
|---|---|
| cdlemedb | β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β π· β π΅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemeda.d | . 2 β’ π· = ((π β¨ π) β§ π) | |
| 2 | hllat 38746 | . . . 4 β’ (πΎ β HL β πΎ β Lat) | |
| 3 | 2 | ad2antrr 723 | . . 3 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β πΎ β Lat) |
| 4 | simpll 764 | . . . 4 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β πΎ β HL) | |
| 5 | simprl 768 | . . . 4 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β π β π΄) | |
| 6 | simprr 770 | . . . 4 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β π β π΄) | |
| 7 | cdlemedb.b | . . . . 5 β’ π΅ = (BaseβπΎ) | |
| 8 | cdlemeda.j | . . . . 5 β’ β¨ = (joinβπΎ) | |
| 9 | cdlemeda.a | . . . . 5 β’ π΄ = (AtomsβπΎ) | |
| 10 | 7, 8, 9 | hlatjcl 38750 | . . . 4 β’ ((πΎ β HL β§ π β π΄ β§ π β π΄) β (π β¨ π) β π΅) |
| 11 | 4, 5, 6, 10 | syl3anc 1368 | . . 3 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β (π β¨ π) β π΅) |
| 12 | cdlemeda.h | . . . . 5 β’ π» = (LHypβπΎ) | |
| 13 | 7, 12 | lhpbase 39382 | . . . 4 β’ (π β π» β π β π΅) |
| 14 | 13 | ad2antlr 724 | . . 3 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β π β π΅) |
| 15 | cdlemeda.m | . . . 4 β’ β§ = (meetβπΎ) | |
| 16 | 7, 15 | latmcl 18405 | . . 3 β’ ((πΎ β Lat β§ (π β¨ π) β π΅ β§ π β π΅) β ((π β¨ π) β§ π) β π΅) |
| 17 | 3, 11, 14, 16 | syl3anc 1368 | . 2 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β ((π β¨ π) β§ π) β π΅) |
| 18 | 1, 17 | eqeltrid 2831 | 1 β’ (((πΎ β HL β§ π β π») β§ (π β π΄ β§ π β π΄)) β π· β π΅) |
| Colors of variables: wff setvar class |
| Syntax hints: β wi 4 β§ wa 395 = wceq 1533 β wcel 2098 βcfv 6537 (class class class)co 7405 Basecbs 17153 lecple 17213 joincjn 18276 meetcmee 18277 Latclat 18396 Atomscatm 38646 HLchlt 38733 LHypclh 39368 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 |
| This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-id 5567 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-iota 6489 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7361 df-ov 7408 df-oprab 7409 df-lub 18311 df-glb 18312 df-join 18313 df-meet 18314 df-lat 18397 df-ats 38650 df-atl 38681 df-cvlat 38705 df-hlat 38734 df-lhyp 39372 |
| This theorem is referenced by: cdleme20k 39703 cdleme20l2 39705 cdleme20l 39706 cdleme20m 39707 |
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