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| Mirrors > Home > MPE Home > Th. List > latjidm | Structured version Visualization version GIF version | ||
| Description: Lattice join is idempotent. Analogue of unidm 4153. (Contributed by NM, 8-Oct-2011.) |
| Ref | Expression |
|---|---|
| latjidm.b | β’ π΅ = (BaseβπΎ) |
| latjidm.j | β’ β¨ = (joinβπΎ) |
| Ref | Expression |
|---|---|
| latjidm | β’ ((πΎ β Lat β§ π β π΅) β (π β¨ π) = π) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | latjidm.b | . 2 β’ π΅ = (BaseβπΎ) | |
| 2 | eqid 2728 | . 2 β’ (leβπΎ) = (leβπΎ) | |
| 3 | simpl 481 | . 2 β’ ((πΎ β Lat β§ π β π΅) β πΎ β Lat) | |
| 4 | latjidm.j | . . . 4 β’ β¨ = (joinβπΎ) | |
| 5 | 1, 4 | latjcl 18438 | . . 3 β’ ((πΎ β Lat β§ π β π΅ β§ π β π΅) β (π β¨ π) β π΅) |
| 6 | 5 | 3anidm23 1418 | . 2 β’ ((πΎ β Lat β§ π β π΅) β (π β¨ π) β π΅) |
| 7 | simpr 483 | . 2 β’ ((πΎ β Lat β§ π β π΅) β π β π΅) | |
| 8 | 1, 2 | latref 18440 | . . 3 β’ ((πΎ β Lat β§ π β π΅) β π(leβπΎ)π) |
| 9 | 1, 2, 4 | latjle12 18449 | . . . 4 β’ ((πΎ β Lat β§ (π β π΅ β§ π β π΅ β§ π β π΅)) β ((π(leβπΎ)π β§ π(leβπΎ)π) β (π β¨ π)(leβπΎ)π)) |
| 10 | 3, 7, 7, 7, 9 | syl13anc 1369 | . . 3 β’ ((πΎ β Lat β§ π β π΅) β ((π(leβπΎ)π β§ π(leβπΎ)π) β (π β¨ π)(leβπΎ)π)) |
| 11 | 8, 8, 10 | mpbi2and 710 | . 2 β’ ((πΎ β Lat β§ π β π΅) β (π β¨ π)(leβπΎ)π) |
| 12 | 1, 2, 4 | latlej1 18447 | . . 3 β’ ((πΎ β Lat β§ π β π΅ β§ π β π΅) β π(leβπΎ)(π β¨ π)) |
| 13 | 12 | 3anidm23 1418 | . 2 β’ ((πΎ β Lat β§ π β π΅) β π(leβπΎ)(π β¨ π)) |
| 14 | 1, 2, 3, 6, 7, 11, 13 | latasymd 18444 | 1 β’ ((πΎ β Lat β§ π β π΅) β (π β¨ π) = π) |
| Colors of variables: wff setvar class |
| Syntax hints: β wi 4 β wb 205 β§ wa 394 = wceq 1533 β wcel 2098 class class class wbr 5152 βcfv 6553 (class class class)co 7426 Basecbs 17187 lecple 17247 joincjn 18310 Latclat 18430 |
| 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 2166 ax-ext 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 |
| This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4913 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-id 5580 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-riota 7382 df-ov 7429 df-oprab 7430 df-proset 18294 df-poset 18312 df-lub 18345 df-glb 18346 df-join 18347 df-meet 18348 df-lat 18431 |
| This theorem is referenced by: lubsn 18481 latjjdi 18490 latjjdir 18491 cvlsupr2 38847 hlatjidm 38873 cvrat3 38947 snatpsubN 39255 dalawlem7 39382 cdleme11 39775 cdleme23b 39855 cdlemg33a 40211 trljco 40245 doca2N 40631 djajN 40642 |
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