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Mirrors > Home > MPE Home > Th. List > Mathboxes > dalempnes | Structured version Visualization version GIF version |
Description: Lemma for dath 37487. Frequently-used utility lemma. (Contributed by NM, 13-Aug-2012.) |
Ref | Expression |
---|---|
dalema.ph | ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈))))) |
dalemc.l | ⊢ ≤ = (le‘𝐾) |
dalemc.j | ⊢ ∨ = (join‘𝐾) |
dalemc.a | ⊢ 𝐴 = (Atoms‘𝐾) |
dalempnes.o | ⊢ 𝑂 = (LPlanes‘𝐾) |
dalempnes.y | ⊢ 𝑌 = ((𝑃 ∨ 𝑄) ∨ 𝑅) |
Ref | Expression |
---|---|
dalempnes | ⊢ (𝜑 → 𝑃 ≠ 𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dalema.ph | . . . 4 ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈))))) | |
2 | 1 | dalemkelat 37375 | . . 3 ⊢ (𝜑 → 𝐾 ∈ Lat) |
3 | dalemc.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | 1, 3 | dalemceb 37389 | . . 3 ⊢ (𝜑 → 𝐶 ∈ (Base‘𝐾)) |
5 | 1, 3 | dalemseb 37393 | . . 3 ⊢ (𝜑 → 𝑆 ∈ (Base‘𝐾)) |
6 | 1, 3 | dalemteb 37394 | . . 3 ⊢ (𝜑 → 𝑇 ∈ (Base‘𝐾)) |
7 | simp321 1325 | . . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴)) ∧ (𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂) ∧ ((¬ 𝐶 ≤ (𝑃 ∨ 𝑄) ∧ ¬ 𝐶 ≤ (𝑄 ∨ 𝑅) ∧ ¬ 𝐶 ≤ (𝑅 ∨ 𝑃)) ∧ (¬ 𝐶 ≤ (𝑆 ∨ 𝑇) ∧ ¬ 𝐶 ≤ (𝑇 ∨ 𝑈) ∧ ¬ 𝐶 ≤ (𝑈 ∨ 𝑆)) ∧ (𝐶 ≤ (𝑃 ∨ 𝑆) ∧ 𝐶 ≤ (𝑄 ∨ 𝑇) ∧ 𝐶 ≤ (𝑅 ∨ 𝑈)))) → ¬ 𝐶 ≤ (𝑆 ∨ 𝑇)) | |
8 | 1, 7 | sylbi 220 | . . 3 ⊢ (𝜑 → ¬ 𝐶 ≤ (𝑆 ∨ 𝑇)) |
9 | eqid 2737 | . . . 4 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
10 | dalemc.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
11 | dalemc.j | . . . 4 ⊢ ∨ = (join‘𝐾) | |
12 | 9, 10, 11 | latnlej2l 17966 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝐶 ∈ (Base‘𝐾) ∧ 𝑆 ∈ (Base‘𝐾) ∧ 𝑇 ∈ (Base‘𝐾)) ∧ ¬ 𝐶 ≤ (𝑆 ∨ 𝑇)) → ¬ 𝐶 ≤ 𝑆) |
13 | 2, 4, 5, 6, 8, 12 | syl131anc 1385 | . 2 ⊢ (𝜑 → ¬ 𝐶 ≤ 𝑆) |
14 | 1 | dalemclpjs 37385 | . . . . 5 ⊢ (𝜑 → 𝐶 ≤ (𝑃 ∨ 𝑆)) |
15 | oveq1 7220 | . . . . . 6 ⊢ (𝑃 = 𝑆 → (𝑃 ∨ 𝑆) = (𝑆 ∨ 𝑆)) | |
16 | 15 | breq2d 5065 | . . . . 5 ⊢ (𝑃 = 𝑆 → (𝐶 ≤ (𝑃 ∨ 𝑆) ↔ 𝐶 ≤ (𝑆 ∨ 𝑆))) |
17 | 14, 16 | syl5ibcom 248 | . . . 4 ⊢ (𝜑 → (𝑃 = 𝑆 → 𝐶 ≤ (𝑆 ∨ 𝑆))) |
18 | 1 | dalemkehl 37374 | . . . . . 6 ⊢ (𝜑 → 𝐾 ∈ HL) |
19 | 1 | dalemsea 37380 | . . . . . 6 ⊢ (𝜑 → 𝑆 ∈ 𝐴) |
20 | 11, 3 | hlatjidm 37120 | . . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ∈ 𝐴) → (𝑆 ∨ 𝑆) = 𝑆) |
21 | 18, 19, 20 | syl2anc 587 | . . . . 5 ⊢ (𝜑 → (𝑆 ∨ 𝑆) = 𝑆) |
22 | 21 | breq2d 5065 | . . . 4 ⊢ (𝜑 → (𝐶 ≤ (𝑆 ∨ 𝑆) ↔ 𝐶 ≤ 𝑆)) |
23 | 17, 22 | sylibd 242 | . . 3 ⊢ (𝜑 → (𝑃 = 𝑆 → 𝐶 ≤ 𝑆)) |
24 | 23 | necon3bd 2954 | . 2 ⊢ (𝜑 → (¬ 𝐶 ≤ 𝑆 → 𝑃 ≠ 𝑆)) |
25 | 13, 24 | mpd 15 | 1 ⊢ (𝜑 → 𝑃 ≠ 𝑆) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 ≠ wne 2940 class class class wbr 5053 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 lecple 16809 joincjn 17818 Latclat 17937 Atomscatm 37014 HLchlt 37101 LPlanesclpl 37243 |
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-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-proset 17802 df-poset 17820 df-lub 17852 df-glb 17853 df-join 17854 df-meet 17855 df-lat 17938 df-ats 37018 df-atl 37049 df-cvlat 37073 df-hlat 37102 |
This theorem is referenced by: dalempjsen 37404 dalem24 37448 |
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