cdlemk18-3N - Mathbox for Norm Megill

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Theorem cdlemk18-3N 40612

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 1204	. . . 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 1203	. . . 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 2726	. . . . 5 ⊢ (𝑆‘𝐷) = (𝑆‘𝐷)
14		eqid 2726	. . . . 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 40607	. . . 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 582	. . 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 6895	. 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 40598	. 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 2769	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 394 ∧ w3a 1084 = wceq 1534 ∈ wcel 2099 ≠ wne 2930 class class class wbr 5145 ↦ cmpt 5228 I cid 5571 ^◡ccnv 5673 ↾ cres 5676 ∘ ccom 5678 ‘cfv 6546 ℩crio 7371 (class class class)co 7416 ∈ cmpo 7418 Basecbs 17208 lecple 17268 joincjn 18331 meetcmee 18332 Atomscatm 38974 HLchlt 39061 LHypclh 39696 LTrncltrn 39813 trLctrl 39870

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2697 ax-rep 5282 ax-sep 5296 ax-nul 5303 ax-pow 5361 ax-pr 5425 ax-un 7738 ax-riotaBAD 38664

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2704 df-cleq 2718 df-clel 2803 df-nfc 2878 df-ne 2931 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3464 df-sbc 3776 df-csb 3892 df-dif 3949 df-un 3951 df-in 3953 df-ss 3963 df-nul 4323 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4906 df-iun 4995 df-iin 4996 df-br 5146 df-opab 5208 df-mpt 5229 df-id 5572 df-xp 5680 df-rel 5681 df-cnv 5682 df-co 5683 df-dm 5684 df-rn 5685 df-res 5686 df-ima 5687 df-iota 6498 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-riota 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-1st 7995 df-2nd 7996 df-undef 8280 df-map 8849 df-proset 18315 df-poset 18333 df-plt 18350 df-lub 18366 df-glb 18367 df-join 18368 df-meet 18369 df-p0 18445 df-p1 18446 df-lat 18452 df-clat 18519 df-oposet 38887 df-ol 38889 df-oml 38890 df-covers 38977 df-ats 38978 df-atl 39009 df-cvlat 39033 df-hlat 39062 df-llines 39210 df-lplanes 39211 df-lvols 39212 df-lines 39213 df-psubsp 39215 df-pmap 39216 df-padd 39508 df-lhyp 39700 df-laut 39701 df-ldil 39816 df-ltrn 39817 df-trl 39871

This theorem is referenced by: (None)

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