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Mirrors > Home > MPE Home > Th. List > Mathboxes > cdleme9tN | Structured version Visualization version GIF version |
Description: Part of proof of Lemma E in [Crawley] p. 113, 2nd paragraph on p. 114. 𝑋 and 𝐹 represent t1 and f(t) respectively. In their notation, we prove f(t) ∨ t1 = q ∨ t1. (Contributed by NM, 8-Oct-2012.) (New usage is discouraged.) |
Ref | Expression |
---|---|
cdleme9t.l | ⊢ ≤ = (le‘𝐾) |
cdleme9t.j | ⊢ ∨ = (join‘𝐾) |
cdleme9t.m | ⊢ ∧ = (meet‘𝐾) |
cdleme9t.a | ⊢ 𝐴 = (Atoms‘𝐾) |
cdleme9t.h | ⊢ 𝐻 = (LHyp‘𝐾) |
cdleme9t.u | ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊) |
cdleme9t.g | ⊢ 𝐹 = ((𝑇 ∨ 𝑈) ∧ (𝑄 ∨ ((𝑃 ∨ 𝑇) ∧ 𝑊))) |
cdleme9t.x | ⊢ 𝑋 = ((𝑃 ∨ 𝑇) ∧ 𝑊) |
Ref | Expression |
---|---|
cdleme9tN | ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝑄 ∈ 𝐴 ∧ (𝑇 ∈ 𝐴 ∧ ¬ 𝑇 ≤ 𝑊)) ∧ ¬ 𝑇 ≤ (𝑃 ∨ 𝑄)) → (𝐹 ∨ 𝑋) = (𝑄 ∨ 𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdleme9t.l | . 2 ⊢ ≤ = (le‘𝐾) | |
2 | cdleme9t.j | . 2 ⊢ ∨ = (join‘𝐾) | |
3 | cdleme9t.m | . 2 ⊢ ∧ = (meet‘𝐾) | |
4 | cdleme9t.a | . 2 ⊢ 𝐴 = (Atoms‘𝐾) | |
5 | cdleme9t.h | . 2 ⊢ 𝐻 = (LHyp‘𝐾) | |
6 | cdleme9t.u | . 2 ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊) | |
7 | cdleme9t.g | . 2 ⊢ 𝐹 = ((𝑇 ∨ 𝑈) ∧ (𝑄 ∨ ((𝑃 ∨ 𝑇) ∧ 𝑊))) | |
8 | cdleme9t.x | . 2 ⊢ 𝑋 = ((𝑃 ∨ 𝑇) ∧ 𝑊) | |
9 | 1, 2, 3, 4, 5, 6, 7, 8 | cdleme9 38004 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ 𝑄 ∈ 𝐴 ∧ (𝑇 ∈ 𝐴 ∧ ¬ 𝑇 ≤ 𝑊)) ∧ ¬ 𝑇 ≤ (𝑃 ∨ 𝑄)) → (𝐹 ∨ 𝑋) = (𝑄 ∨ 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 class class class wbr 5053 ‘cfv 6380 (class class class)co 7213 lecple 16809 joincjn 17818 meetcmee 17819 Atomscatm 37014 HLchlt 37101 LHypclh 37735 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-op 4548 df-uni 4820 df-iun 4906 df-iin 4907 df-br 5054 df-opab 5116 df-mpt 5136 df-id 5455 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-1st 7761 df-2nd 7762 df-proset 17802 df-poset 17820 df-plt 17836 df-lub 17852 df-glb 17853 df-join 17854 df-meet 17855 df-p0 17931 df-p1 17932 df-lat 17938 df-clat 18005 df-oposet 36927 df-ol 36929 df-oml 36930 df-covers 37017 df-ats 37018 df-atl 37049 df-cvlat 37073 df-hlat 37102 df-psubsp 37254 df-pmap 37255 df-padd 37547 df-lhyp 37739 |
This theorem is referenced by: (None) |
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