Theorem cdleme50rnlem 39718

Description: Part of proof of Lemma D in [Crawley] p. 113. TODO: fix comment. TODO: can we get rid of 𝐺 stuff if we show 𝐺 = ^◡𝐹 earlier? (Contributed by NM, 9-Apr-2013.)

Hypotheses

Ref	Expression
cdlemef50.b	⊢ 𝐵 = (Base‘𝐾)
cdlemef50.l	⊢ ≤ = (le‘𝐾)
cdlemef50.j	⊢ ∨ = (join‘𝐾)
cdlemef50.m	⊢ ∧ = (meet‘𝐾)
cdlemef50.a	⊢ 𝐴 = (Atoms‘𝐾)
cdlemef50.h	⊢ 𝐻 = (LHyp‘𝐾)
cdlemef50.u	⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊)
cdlemef50.d	⊢ 𝐷 = ((𝑡 ∨ 𝑈) ∧ (𝑄 ∨ ((𝑃 ∨ 𝑡) ∧ 𝑊)))
cdlemefs50.e	⊢ 𝐸 = ((𝑃 ∨ 𝑄) ∧ (𝐷 ∨ ((𝑠 ∨ 𝑡) ∧ 𝑊)))
cdlemef50.f	⊢ 𝐹 = (𝑥 ∈ 𝐵 ↦ if((𝑃 ≠ 𝑄 ∧ ¬ 𝑥 ≤ 𝑊), (℩𝑧 ∈ 𝐵 ∀𝑠 ∈ 𝐴 ((¬ 𝑠 ≤ 𝑊 ∧ (𝑠 ∨ (𝑥 ∧ 𝑊)) = 𝑥) → 𝑧 = (if(𝑠 ≤ (𝑃 ∨ 𝑄), (℩𝑦 ∈ 𝐵 ∀𝑡 ∈ 𝐴 ((¬ 𝑡 ≤ 𝑊 ∧ ¬ 𝑡 ≤ (𝑃 ∨ 𝑄)) → 𝑦 = 𝐸)), ⦋𝑠 / 𝑡⦌𝐷) ∨ (𝑥 ∧ 𝑊)))), 𝑥))
cdlemef50.v	⊢ 𝑉 = ((𝑄 ∨ 𝑃) ∧ 𝑊)
cdlemef50.n	⊢ 𝑁 = ((𝑣 ∨ 𝑉) ∧ (𝑃 ∨ ((𝑄 ∨ 𝑣) ∧ 𝑊)))
cdlemefs50.o	⊢ 𝑂 = ((𝑄 ∨ 𝑃) ∧ (𝑁 ∨ ((𝑢 ∨ 𝑣) ∧ 𝑊)))
cdlemef50.g	⊢ 𝐺 = (𝑎 ∈ 𝐵 ↦ if((𝑄 ≠ 𝑃 ∧ ¬ 𝑎 ≤ 𝑊), (℩𝑐 ∈ 𝐵 ∀𝑢 ∈ 𝐴 ((¬ 𝑢 ≤ 𝑊 ∧ (𝑢 ∨ (𝑎 ∧ 𝑊)) = 𝑎) → 𝑐 = (if(𝑢 ≤ (𝑄 ∨ 𝑃), (℩𝑏 ∈ 𝐵 ∀𝑣 ∈ 𝐴 ((¬ 𝑣 ≤ 𝑊 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑃)) → 𝑏 = 𝑂)), ⦋𝑢 / 𝑣⦌𝑁) ∨ (𝑎 ∧ 𝑊)))), 𝑎))

Assertion

Ref	Expression
cdleme50rnlem	⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → ran 𝐹 = 𝐵)

Distinct variable groups:   𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧, ∧   ∨ ,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   ≤ ,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝐴,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝐵,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝐷,𝑎,𝑏,𝑐,𝑠,𝑣,𝑥,𝑦,𝑧   𝐸,𝑎,𝑏,𝑐,𝑥,𝑦,𝑧   𝐹,𝑎,𝑏,𝑐,𝑢,𝑣   𝐻,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝐾,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝑃,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝑄,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝑈,𝑎,𝑏,𝑐,𝑠,𝑡,𝑣,𝑥,𝑦,𝑧   𝑊,𝑎,𝑏,𝑐,𝑠,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧   𝐺,𝑠,𝑡,𝑥,𝑦,𝑧   𝑁,𝑎,𝑏,𝑐,𝑡,𝑢,𝑥,𝑦,𝑧   𝑂,𝑎,𝑏,𝑐,𝑥,𝑦,𝑧   𝑉,𝑎,𝑏,𝑐,𝑡,𝑢,𝑣,𝑥,𝑦,𝑧

Allowed substitution hints:   𝐷(𝑢,𝑡)   𝑈(𝑢)   𝐸(𝑣,𝑢,𝑡,𝑠)   𝐹(𝑥,𝑦,𝑧,𝑡,𝑠)   𝐺(𝑣,𝑢,𝑎,𝑏,𝑐)   𝑁(𝑣,𝑠)   𝑂(𝑣,𝑢,𝑡,𝑠)   𝑉(𝑠)

Proof of Theorem cdleme50rnlem

Dummy variables 𝑒 𝑑 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		cdlemef50.b	. . . 4 ⊢ 𝐵 = (Base‘𝐾)
2		cdlemef50.l	. . . 4 ⊢ ≤ = (le‘𝐾)
3		cdlemef50.j	. . . 4 ⊢ ∨ = (join‘𝐾)
4		cdlemef50.m	. . . 4 ⊢ ∧ = (meet‘𝐾)
5		cdlemef50.a	. . . 4 ⊢ 𝐴 = (Atoms‘𝐾)
6		cdlemef50.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
7		cdlemef50.u	. . . 4 ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊)
8		cdlemef50.d	. . . 4 ⊢ 𝐷 = ((𝑡 ∨ 𝑈) ∧ (𝑄 ∨ ((𝑃 ∨ 𝑡) ∧ 𝑊)))
9		cdlemefs50.e	. . . 4 ⊢ 𝐸 = ((𝑃 ∨ 𝑄) ∧ (𝐷 ∨ ((𝑠 ∨ 𝑡) ∧ 𝑊)))
10		cdlemef50.f	. . . 4 ⊢ 𝐹 = (𝑥 ∈ 𝐵 ↦ if((𝑃 ≠ 𝑄 ∧ ¬ 𝑥 ≤ 𝑊), (℩𝑧 ∈ 𝐵 ∀𝑠 ∈ 𝐴 ((¬ 𝑠 ≤ 𝑊 ∧ (𝑠 ∨ (𝑥 ∧ 𝑊)) = 𝑥) → 𝑧 = (if(𝑠 ≤ (𝑃 ∨ 𝑄), (℩𝑦 ∈ 𝐵 ∀𝑡 ∈ 𝐴 ((¬ 𝑡 ≤ 𝑊 ∧ ¬ 𝑡 ≤ (𝑃 ∨ 𝑄)) → 𝑦 = 𝐸)), ⦋𝑠 / 𝑡⦌𝐷) ∨ (𝑥 ∧ 𝑊)))), 𝑥))
11	1, 2, 3, 4, 5, 6, 7, 8, 9, 10	cdleme50f 39716	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → 𝐹:𝐵⟶𝐵)
12	11	frnd 6724	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → ran 𝐹 ⊆ 𝐵)
13		cdlemef50.v	. . . . 5 ⊢ 𝑉 = ((𝑄 ∨ 𝑃) ∧ 𝑊)
14		cdlemef50.n	. . . . 5 ⊢ 𝑁 = ((𝑣 ∨ 𝑉) ∧ (𝑃 ∨ ((𝑄 ∨ 𝑣) ∧ 𝑊)))
15		cdlemefs50.o	. . . . 5 ⊢ 𝑂 = ((𝑄 ∨ 𝑃) ∧ (𝑁 ∨ ((𝑢 ∨ 𝑣) ∧ 𝑊)))
16		cdlemef50.g	. . . . 5 ⊢ 𝐺 = (𝑎 ∈ 𝐵 ↦ if((𝑄 ≠ 𝑃 ∧ ¬ 𝑎 ≤ 𝑊), (℩𝑐 ∈ 𝐵 ∀𝑢 ∈ 𝐴 ((¬ 𝑢 ≤ 𝑊 ∧ (𝑢 ∨ (𝑎 ∧ 𝑊)) = 𝑎) → 𝑐 = (if(𝑢 ≤ (𝑄 ∨ 𝑃), (℩𝑏 ∈ 𝐵 ∀𝑣 ∈ 𝐴 ((¬ 𝑣 ≤ 𝑊 ∧ ¬ 𝑣 ≤ (𝑄 ∨ 𝑃)) → 𝑏 = 𝑂)), ⦋𝑢 / 𝑣⦌𝑁) ∨ (𝑎 ∧ 𝑊)))), 𝑎))
17	1, 2, 3, 4, 5, 6, 13, 14, 15, 16	cdlemeg46fvcl 39680	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑒 ∈ 𝐵) → (𝐺‘𝑒) ∈ 𝐵)
18	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16	cdleme48fgv 39712	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑒 ∈ 𝐵) → (𝐹‘(𝐺‘𝑒)) = 𝑒)
19		fveqeq2 6899	. . . . 5 ⊢ (𝑑 = (𝐺‘𝑒) → ((𝐹‘𝑑) = 𝑒 ↔ (𝐹‘(𝐺‘𝑒)) = 𝑒))
20	19	rspcev 3611	. . . 4 ⊢ (((𝐺‘𝑒) ∈ 𝐵 ∧ (𝐹‘(𝐺‘𝑒)) = 𝑒) → ∃𝑑 ∈ 𝐵 (𝐹‘𝑑) = 𝑒)
21	17, 18, 20	syl2anc 582	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑒 ∈ 𝐵) → ∃𝑑 ∈ 𝐵 (𝐹‘𝑑) = 𝑒)
22	11	adantr 479	. . . 4 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑒 ∈ 𝐵) → 𝐹:𝐵⟶𝐵)
23		ffn 6716	. . . 4 ⊢ (𝐹:𝐵⟶𝐵 → 𝐹 Fn 𝐵)
24		fvelrnb 6951	. . . 4 ⊢ (𝐹 Fn 𝐵 → (𝑒 ∈ ran 𝐹 ↔ ∃𝑑 ∈ 𝐵 (𝐹‘𝑑) = 𝑒))
25	22, 23, 24	3syl 18	. . 3 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑒 ∈ 𝐵) → (𝑒 ∈ ran 𝐹 ↔ ∃𝑑 ∈ 𝐵 (𝐹‘𝑑) = 𝑒))
26	21, 25	mpbird 256	. 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑒 ∈ 𝐵) → 𝑒 ∈ ran 𝐹)
27	12, 26	eqelssd 4002	1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → ran 𝐹 = 𝐵)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 205   ∧ wa 394   ∧ w3a 1085   = wceq 1539   ∈ wcel 2104   ≠ wne 2938  ∀wral 3059  ∃wrex 3068  ⦋csb 3892  ifcif 4527   class class class wbr 5147   ↦ cmpt 5230  ran crn 5676   Fn wfn 6537  ⟶wf 6538  ‘cfv 6542  ℩crio 7366  (class class class)co 7411  Basecbs 17148  lecple 17208  joincjn 18268  meetcmee 18269  Atomscatm 38436  HLchlt 38523  LHypclh 39158

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1911  ax-6 1969  ax-7 2009  ax-8 2106  ax-9 2114  ax-10 2135  ax-11 2152  ax-12 2169  ax-ext 2701  ax-rep 5284  ax-sep 5298  ax-nul 5305  ax-pow 5362  ax-pr 5426  ax-un 7727  ax-riotaBAD 38126

This theorem depends on definitions:  df-bi 206  df-an 395  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2532  df-eu 2561  df-clab 2708  df-cleq 2722  df-clel 2808  df-nfc 2883  df-ne 2939  df-ral 3060  df-rex 3069  df-rmo 3374  df-reu 3375  df-rab 3431  df-v 3474  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-nul 4322  df-if 4528  df-pw 4603  df-sn 4628  df-pr 4630  df-op 4634  df-uni 4908  df-iun 4998  df-iin 4999  df-br 5148  df-opab 5210  df-mpt 5231  df-id 5573  df-xp 5681  df-rel 5682  df-cnv 5683  df-co 5684  df-dm 5685  df-rn 5686  df-res 5687  df-ima 5688  df-iota 6494  df-fun 6544  df-fn 6545  df-f 6546  df-f1 6547  df-fo 6548  df-f1o 6549  df-fv 6550  df-riota 7367  df-ov 7414  df-oprab 7415  df-mpo 7416  df-1st 7977  df-2nd 7978  df-undef 8260  df-proset 18252  df-poset 18270  df-plt 18287  df-lub 18303  df-glb 18304  df-join 18305  df-meet 18306  df-p0 18382  df-p1 18383  df-lat 18389  df-clat 18456  df-oposet 38349  df-ol 38351  df-oml 38352  df-covers 38439  df-ats 38440  df-atl 38471  df-cvlat 38495  df-hlat 38524  df-llines 38672  df-lplanes 38673  df-lvols 38674  df-lines 38675  df-psubsp 38677  df-pmap 38678  df-padd 38970  df-lhyp 39162

This theorem is referenced by:  cdleme50rn  39719