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Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > cdleme9b | Structured version Visualization version GIF version |
Description: Utility lemma for Lemma E in [Crawley] p. 113. (Contributed by NM, 9-Oct-2012.) |
Ref | Expression |
---|---|
cdleme9b.b | β’ π΅ = (BaseβπΎ) |
cdleme9b.j | β’ β¨ = (joinβπΎ) |
cdleme9b.m | β’ β§ = (meetβπΎ) |
cdleme9b.a | β’ π΄ = (AtomsβπΎ) |
cdleme9b.h | β’ π» = (LHypβπΎ) |
cdleme9b.c | β’ πΆ = ((π β¨ π) β§ π) |
Ref | Expression |
---|---|
cdleme9b | β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π»)) β πΆ β π΅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdleme9b.c | . 2 β’ πΆ = ((π β¨ π) β§ π) | |
2 | hllat 37871 | . . . 4 β’ (πΎ β HL β πΎ β Lat) | |
3 | 2 | adantr 482 | . . 3 β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π»)) β πΎ β Lat) |
4 | cdleme9b.b | . . . . 5 β’ π΅ = (BaseβπΎ) | |
5 | cdleme9b.j | . . . . 5 β’ β¨ = (joinβπΎ) | |
6 | cdleme9b.a | . . . . 5 β’ π΄ = (AtomsβπΎ) | |
7 | 4, 5, 6 | hlatjcl 37875 | . . . 4 β’ ((πΎ β HL β§ π β π΄ β§ π β π΄) β (π β¨ π) β π΅) |
8 | 7 | 3adant3r3 1185 | . . 3 β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π»)) β (π β¨ π) β π΅) |
9 | simpr3 1197 | . . . 4 β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π»)) β π β π») | |
10 | cdleme9b.h | . . . . 5 β’ π» = (LHypβπΎ) | |
11 | 4, 10 | lhpbase 38507 | . . . 4 β’ (π β π» β π β π΅) |
12 | 9, 11 | syl 17 | . . 3 β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π»)) β π β π΅) |
13 | cdleme9b.m | . . . 4 β’ β§ = (meetβπΎ) | |
14 | 4, 13 | latmcl 18334 | . . 3 β’ ((πΎ β Lat β§ (π β¨ π) β π΅ β§ π β π΅) β ((π β¨ π) β§ π) β π΅) |
15 | 3, 8, 12, 14 | syl3anc 1372 | . 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΅) |
16 | 1, 15 | eqeltrid 2838 | 1 β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π»)) β πΆ β π΅) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 β§ wa 397 β§ w3a 1088 = wceq 1542 β wcel 2107 βcfv 6497 (class class class)co 7358 Basecbs 17088 joincjn 18205 meetcmee 18206 Latclat 18325 Atomscatm 37771 HLchlt 37858 LHypclh 38493 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5243 ax-sep 5257 ax-nul 5264 ax-pow 5321 ax-pr 5385 ax-un 7673 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2941 df-ral 3062 df-rex 3071 df-reu 3353 df-rab 3407 df-v 3446 df-sbc 3741 df-csb 3857 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4284 df-if 4488 df-pw 4563 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4867 df-iun 4957 df-br 5107 df-opab 5169 df-mpt 5190 df-id 5532 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-iota 6449 df-fun 6499 df-fn 6500 df-f 6501 df-f1 6502 df-fo 6503 df-f1o 6504 df-fv 6505 df-riota 7314 df-ov 7361 df-oprab 7362 df-lub 18240 df-glb 18241 df-join 18242 df-meet 18243 df-lat 18326 df-ats 37775 df-atl 37806 df-cvlat 37830 df-hlat 37859 df-lhyp 38497 |
This theorem is referenced by: cdleme15b 38784 cdleme17b 38796 |
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