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Mirrors > Home > MPE Home > Th. List > Mathboxes > dalempnes | Structured version Visualization version GIF version |
Description: Lemma for dath 37750. 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 37638 | . . 3 ⊢ (𝜑 → 𝐾 ∈ Lat) |
3 | dalemc.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | 1, 3 | dalemceb 37652 | . . 3 ⊢ (𝜑 → 𝐶 ∈ (Base‘𝐾)) |
5 | 1, 3 | dalemseb 37656 | . . 3 ⊢ (𝜑 → 𝑆 ∈ (Base‘𝐾)) |
6 | 1, 3 | dalemteb 37657 | . . 3 ⊢ (𝜑 → 𝑇 ∈ (Base‘𝐾)) |
7 | simp321 1322 | . . . 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 216 | . . 3 ⊢ (𝜑 → ¬ 𝐶 ≤ (𝑆 ∨ 𝑇)) |
9 | eqid 2738 | . . . 4 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
10 | dalemc.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
11 | dalemc.j | . . . 4 ⊢ ∨ = (join‘𝐾) | |
12 | 9, 10, 11 | latnlej2l 18178 | . . 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 1382 | . 2 ⊢ (𝜑 → ¬ 𝐶 ≤ 𝑆) |
14 | 1 | dalemclpjs 37648 | . . . . 5 ⊢ (𝜑 → 𝐶 ≤ (𝑃 ∨ 𝑆)) |
15 | oveq1 7282 | . . . . . 6 ⊢ (𝑃 = 𝑆 → (𝑃 ∨ 𝑆) = (𝑆 ∨ 𝑆)) | |
16 | 15 | breq2d 5086 | . . . . 5 ⊢ (𝑃 = 𝑆 → (𝐶 ≤ (𝑃 ∨ 𝑆) ↔ 𝐶 ≤ (𝑆 ∨ 𝑆))) |
17 | 14, 16 | syl5ibcom 244 | . . . 4 ⊢ (𝜑 → (𝑃 = 𝑆 → 𝐶 ≤ (𝑆 ∨ 𝑆))) |
18 | 1 | dalemkehl 37637 | . . . . . 6 ⊢ (𝜑 → 𝐾 ∈ HL) |
19 | 1 | dalemsea 37643 | . . . . . 6 ⊢ (𝜑 → 𝑆 ∈ 𝐴) |
20 | 11, 3 | hlatjidm 37383 | . . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ∈ 𝐴) → (𝑆 ∨ 𝑆) = 𝑆) |
21 | 18, 19, 20 | syl2anc 584 | . . . . 5 ⊢ (𝜑 → (𝑆 ∨ 𝑆) = 𝑆) |
22 | 21 | breq2d 5086 | . . . 4 ⊢ (𝜑 → (𝐶 ≤ (𝑆 ∨ 𝑆) ↔ 𝐶 ≤ 𝑆)) |
23 | 17, 22 | sylibd 238 | . . 3 ⊢ (𝜑 → (𝑃 = 𝑆 → 𝐶 ≤ 𝑆)) |
24 | 23 | necon3bd 2957 | . 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 205 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 class class class wbr 5074 ‘cfv 6433 (class class class)co 7275 Basecbs 16912 lecple 16969 joincjn 18029 Latclat 18149 Atomscatm 37277 HLchlt 37364 LPlanesclpl 37506 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-proset 18013 df-poset 18031 df-lub 18064 df-glb 18065 df-join 18066 df-meet 18067 df-lat 18150 df-ats 37281 df-atl 37312 df-cvlat 37336 df-hlat 37365 |
This theorem is referenced by: dalempjsen 37667 dalem24 37711 |
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