cdlemk18-3N - Mathbox for Norm Megill

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Theorem cdlemk18-3N 38820

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 2739	. . . . 5 ⊢ (𝑆‘𝐷) = (𝑆‘𝐷)
14		eqid 2739	. . . . 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 38815	. . . 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 587	. . 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 6755	. 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 38806	. 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 2782	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 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2112 ≠ wne 2943 class class class wbr 5070 ↦ cmpt 5152 I cid 5478 ^◡ccnv 5578 ↾ cres 5581 ∘ ccom 5583 ‘cfv 6415 ℩crio 7208 (class class class)co 7252 ∈ cmpo 7254 Basecbs 16815 lecple 16870 joincjn 17919 meetcmee 17920 Atomscatm 37183 HLchlt 37270 LHypclh 37904 LTrncltrn 38021 trLctrl 38078

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 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2710 ax-rep 5203 ax-sep 5216 ax-nul 5223 ax-pow 5282 ax-pr 5346 ax-un 7563 ax-riotaBAD 36873

This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2818 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3071 df-rmo 3072 df-rab 3073 df-v 3425 df-sbc 3713 df-csb 3830 df-dif 3887 df-un 3889 df-in 3891 df-ss 3901 df-nul 4255 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5153 df-id 5479 df-xp 5585 df-rel 5586 df-cnv 5587 df-co 5588 df-dm 5589 df-rn 5590 df-res 5591 df-ima 5592 df-iota 6373 df-fun 6417 df-fn 6418 df-f 6419 df-f1 6420 df-fo 6421 df-f1o 6422 df-fv 6423 df-riota 7209 df-ov 7255 df-oprab 7256 df-mpo 7257 df-1st 7801 df-2nd 7802 df-undef 8057 df-map 8552 df-proset 17903 df-poset 17921 df-plt 17938 df-lub 17954 df-glb 17955 df-join 17956 df-meet 17957 df-p0 18033 df-p1 18034 df-lat 18040 df-clat 18107 df-oposet 37096 df-ol 37098 df-oml 37099 df-covers 37186 df-ats 37187 df-atl 37218 df-cvlat 37242 df-hlat 37271 df-llines 37418 df-lplanes 37419 df-lvols 37420 df-lines 37421 df-psubsp 37423 df-pmap 37424 df-padd 37716 df-lhyp 37908 df-laut 37909 df-ldil 38024 df-ltrn 38025 df-trl 38079

This theorem is referenced by: (None)

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