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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cdlemeulpq | Structured version Visualization version GIF version | ||
| Description: Part of proof of Lemma E in [Crawley] p. 113. (Contributed by NM, 5-Dec-2012.) |
| Ref | Expression |
|---|---|
| cdleme0.l | ⊢ ≤ = (le‘𝐾) |
| cdleme0.j | ⊢ ∨ = (join‘𝐾) |
| cdleme0.m | ⊢ ∧ = (meet‘𝐾) |
| cdleme0.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| cdleme0.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| cdleme0.u | ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊) |
| Ref | Expression |
|---|---|
| cdlemeulpq | ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑈 ≤ (𝑃 ∨ 𝑄)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdleme0.u | . 2 ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊) | |
| 2 | simpll 779 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝐾 ∈ HL) | |
| 3 | 2 | hllatd 40196 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝐾 ∈ Lat) |
| 4 | simprl 783 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑃 ∈ 𝐴) | |
| 5 | simprr 785 | . . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑄 ∈ 𝐴) | |
| 6 | eqid 2765 | . . . . 5 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 7 | cdleme0.j | . . . . 5 ⊢ ∨ = (join‘𝐾) | |
| 8 | cdleme0.a | . . . . 5 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 9 | 6, 7, 8 | hlatjcl 40199 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾)) |
| 10 | 2, 4, 5, 9 | syl3anc 1398 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑃 ∨ 𝑄) ∈ (Base‘𝐾)) |
| 11 | cdleme0.h | . . . . 5 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 12 | 6, 11 | lhpbase 40830 | . . . 4 ⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ (Base‘𝐾)) |
| 13 | 12 | ad2antlr 740 | . . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑊 ∈ (Base‘𝐾)) |
| 14 | cdleme0.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
| 15 | cdleme0.m | . . . 4 ⊢ ∧ = (meet‘𝐾) | |
| 16 | 6, 14, 15 | latmle1 18542 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∨ 𝑄) ∈ (Base‘𝐾) ∧ 𝑊 ∈ (Base‘𝐾)) → ((𝑃 ∨ 𝑄) ∧ 𝑊) ≤ (𝑃 ∨ 𝑄)) |
| 17 | 3, 10, 13, 16 | syl3anc 1398 | . 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → ((𝑃 ∨ 𝑄) ∧ 𝑊) ≤ (𝑃 ∨ 𝑄)) |
| 18 | 1, 17 | eqbrtrid 5148 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑈 ≤ (𝑃 ∨ 𝑄)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 class class class wbr 5111 ‘cfv 6540 (class class class)co 7419 Basecbs 17291 lecple 17339 joincjn 18389 meetcmee 18390 Latclat 18509 Atomscatm 40095 HLchlt 40182 LHypclh 40816 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-lub 18422 df-glb 18423 df-join 18424 df-meet 18425 df-lat 18510 df-ats 40099 df-atl 40130 df-cvlat 40154 df-hlat 40183 df-lhyp 40820 |
| This theorem is used by: cdleme01N 41053 cdleme0ex1N 41055 cdleme1 41059 cdlemednuN 41132 cdleme21c 41159 cdleme22e 41176 cdleme22eALTN 41177 cdleme35fnpq 41281 |
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