cdlemk18-3N - Mathbox for Norm Megill

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Theorem cdlemk18-3N 41357

Description: Part of proof of Lemma K of [Crawley] p. 118. Line 22 on p. 119. 𝑁, 𝑌, 𝑂, 𝐷 are k, sigma₂ (p), k₁, f₁. (Contributed by NM, 7-Jul-2013.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
cdlemk3.b	⊢ 𝐵 = (Base‘𝐾)
cdlemk3.l	⊢ ≤ = (le‘𝐾)
cdlemk3.j	⊢ ∨ = (join‘𝐾)
cdlemk3.m	⊢ ∧ = (meet‘𝐾)
cdlemk3.a	⊢ 𝐴 = (Atoms‘𝐾)
cdlemk3.h	⊢ 𝐻 = (LHyp‘𝐾)
cdlemk3.t	⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
cdlemk3.r	⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
cdlemk3.s	⊢ 𝑆 = (𝑓 ∈ 𝑇 ↦ (℩𝑖 ∈ 𝑇 (𝑖‘𝑃) = ((𝑃 ∨ (𝑅‘𝑓)) ∧ ((𝑁‘𝑃) ∨ (𝑅‘(𝑓 ∘ ^◡𝐹))))))
cdlemk3.u1	⊢ 𝑌 = (𝑑 ∈ 𝑇, 𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝑑)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝑑))))))

**Assertion**
Ref	Expression
cdlemk18-3N	⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → ((𝐷𝑌𝐹)‘𝑃) = (𝑁‘𝑃))

Distinct variable groups: 𝑒,𝑑,𝑓,𝑖, ∧ ≤ ,𝑖 ∨ ,𝑑,𝑒,𝑓,𝑖 𝐴,𝑖 𝑗,𝑑,𝐷,𝑒,𝑓,𝑖 𝑓,𝐹,𝑖 𝑖,𝐻 𝑖,𝐾 𝑓,𝑁,𝑖 𝑃,𝑑,𝑒,𝑓,𝑖 𝑅,𝑑,𝑒,𝑓,𝑖 𝑇,𝑑,𝑒,𝑓,𝑖 𝑊,𝑑,𝑒,𝑓,𝑖 ∧ ,𝑗 ≤ ,𝑗 ∨ ,𝑗 𝐴,𝑗 𝑗,𝐹 𝑗,𝐻 𝑗,𝐾 𝑗,𝑁 𝑃,𝑗 𝑅,𝑗 𝑆,𝑑,𝑒,𝑗 𝑇,𝑗 𝑗,𝑊 𝐹,𝑑,𝑒 Allowed substitution hints: 𝐴(𝑒,𝑓,𝑑) 𝐵(𝑒,𝑓,𝑖,𝑗,𝑑) 𝑆(𝑓,𝑖) 𝐻(𝑒,𝑓,𝑑) 𝐾(𝑒,𝑓,𝑑) ≤ (𝑒,𝑓,𝑑) 𝑁(𝑒,𝑑) 𝑌(𝑒,𝑓,𝑖,𝑗,𝑑)

**Proof of Theorem cdlemk18-3N**
Step	Hyp	Ref	Expression
1		simp22 1209	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → 𝐷 ∈ 𝑇)
2		simp21 1208	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → 𝐹 ∈ 𝑇)
3		cdlemk3.b	. . . . 5 ⊢ 𝐵 = (Base‘𝐾)
4		cdlemk3.l	. . . . 5 ⊢ ≤ = (le‘𝐾)
5		cdlemk3.j	. . . . 5 ⊢ ∨ = (join‘𝐾)
6		cdlemk3.m	. . . . 5 ⊢ ∧ = (meet‘𝐾)
7		cdlemk3.a	. . . . 5 ⊢ 𝐴 = (Atoms‘𝐾)
8		cdlemk3.h	. . . . 5 ⊢ 𝐻 = (LHyp‘𝐾)
9		cdlemk3.t	. . . . 5 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
10		cdlemk3.r	. . . . 5 ⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
11		cdlemk3.s	. . . . 5 ⊢ 𝑆 = (𝑓 ∈ 𝑇 ↦ (℩𝑖 ∈ 𝑇 (𝑖‘𝑃) = ((𝑃 ∨ (𝑅‘𝑓)) ∧ ((𝑁‘𝑃) ∨ (𝑅‘(𝑓 ∘ ^◡𝐹))))))
12		cdlemk3.u1	. . . . 5 ⊢ 𝑌 = (𝑑 ∈ 𝑇, 𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝑑)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝑑))))))
13		eqid 2737	. . . . 5 ⊢ (𝑆‘𝐷) = (𝑆‘𝐷)
14		eqid 2737	. . . . 5 ⊢ (𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝐷)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝐷)))))) = (𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝐷)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝐷))))))
15	3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14	cdlemkuu 41352	. . . 4 ⊢ ((𝐷 ∈ 𝑇 ∧ 𝐹 ∈ 𝑇) → (𝐷𝑌𝐹) = ((𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝐷)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝐷))))))‘𝐹))
16	1, 2, 15	syl2anc 585	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → (𝐷𝑌𝐹) = ((𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝐷)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝐷))))))‘𝐹))
17	16	fveq1d 6834	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → ((𝐷𝑌𝐹)‘𝑃) = (((𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝐷)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝐷))))))‘𝐹)‘𝑃))
18	3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14	cdlemk18-2N 41343	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → (𝑁‘𝑃) = (((𝑒 ∈ 𝑇 ↦ (℩𝑗 ∈ 𝑇 (𝑗‘𝑃) = ((𝑃 ∨ (𝑅‘𝑒)) ∧ (((𝑆‘𝐷)‘𝑃) ∨ (𝑅‘(𝑒 ∘ ^◡𝐷))))))‘𝐹)‘𝑃))
19	17, 18	eqtr4d 2775	1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ∧ (𝑅‘𝐹) = (𝑅‘𝑁)) ∧ (𝐹 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇 ∧ 𝑁 ∈ 𝑇) ∧ ((𝑅‘𝐷) ≠ (𝑅‘𝐹) ∧ (𝐹 ≠ ( I ↾ 𝐵) ∧ 𝐷 ≠ ( I ↾ 𝐵)) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊))) → ((𝐷𝑌𝐹)‘𝑃) = (𝑁‘𝑃))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 class class class wbr 5086 ↦ cmpt 5167 I cid 5516 ^◡ccnv 5621 ↾ cres 5624 ∘ ccom 5626 ‘cfv 6490 ℩crio 7314 (class class class)co 7358 ∈ cmpo 7360 Basecbs 17168 lecple 17216 joincjn 18266 meetcmee 18267 Atomscatm 39720 HLchlt 39807 LHypclh 40441 LTrncltrn 40558 trLctrl 40615

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-riotaBAD 39410

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-1st 7933 df-2nd 7934 df-undef 8214 df-map 8766 df-proset 18249 df-poset 18268 df-plt 18283 df-lub 18299 df-glb 18300 df-join 18301 df-meet 18302 df-p0 18378 df-p1 18379 df-lat 18387 df-clat 18454 df-oposet 39633 df-ol 39635 df-oml 39636 df-covers 39723 df-ats 39724 df-atl 39755 df-cvlat 39779 df-hlat 39808 df-llines 39955 df-lplanes 39956 df-lvols 39957 df-lines 39958 df-psubsp 39960 df-pmap 39961 df-padd 40253 df-lhyp 40445 df-laut 40446 df-ldil 40561 df-ltrn 40562 df-trl 40616

This theorem is referenced by: (None)

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