Theorem lcvbr2 35170

Description: The covers relation for a left vector space (or a left module). (cvbr2 29728 analog.) (Contributed by NM, 9-Jan-2015.)

Hypotheses

Ref	Expression
lcvfbr.s	⊢ 𝑆 = (LSubSp‘𝑊)
lcvfbr.c	⊢ 𝐶 = ( ⋖L ‘𝑊)
lcvfbr.w	⊢ (𝜑 → 𝑊 ∈ 𝑋)
lcvfbr.t	⊢ (𝜑 → 𝑇 ∈ 𝑆)
lcvfbr.u	⊢ (𝜑 → 𝑈 ∈ 𝑆)

Assertion

Ref	Expression
lcvbr2	⊢ (𝜑 → (𝑇𝐶𝑈 ↔ (𝑇 ⊊ 𝑈 ∧ ∀𝑠 ∈ 𝑆 ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈))))

Distinct variable groups:   𝑆,𝑠   𝑊,𝑠   𝑇,𝑠   𝑈,𝑠

Allowed substitution hints:   𝜑(𝑠)   𝐶(𝑠)   𝑋(𝑠)

Proof of Theorem lcvbr2

Step	Hyp	Ref	Expression
1		lcvfbr.s	. . 3 ⊢ 𝑆 = (LSubSp‘𝑊)
2		lcvfbr.c	. . 3 ⊢ 𝐶 = ( ⋖L ‘𝑊)
3		lcvfbr.w	. . 3 ⊢ (𝜑 → 𝑊 ∈ 𝑋)
4		lcvfbr.t	. . 3 ⊢ (𝜑 → 𝑇 ∈ 𝑆)
5		lcvfbr.u	. . 3 ⊢ (𝜑 → 𝑈 ∈ 𝑆)
6	1, 2, 3, 4, 5	lcvbr 35169	. 2 ⊢ (𝜑 → (𝑇𝐶𝑈 ↔ (𝑇 ⊊ 𝑈 ∧ ¬ ∃𝑠 ∈ 𝑆 (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈))))
7		iman 392	. . . . . 6 ⊢ (((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈) ↔ ¬ ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) ∧ ¬ 𝑠 = 𝑈))
8		anass 462	. . . . . . 7 ⊢ (((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) ∧ ¬ 𝑠 = 𝑈) ↔ (𝑇 ⊊ 𝑠 ∧ (𝑠 ⊆ 𝑈 ∧ ¬ 𝑠 = 𝑈)))
9		dfpss2 3913	. . . . . . . 8 ⊢ (𝑠 ⊊ 𝑈 ↔ (𝑠 ⊆ 𝑈 ∧ ¬ 𝑠 = 𝑈))
10	9	anbi2i 616	. . . . . . 7 ⊢ ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈) ↔ (𝑇 ⊊ 𝑠 ∧ (𝑠 ⊆ 𝑈 ∧ ¬ 𝑠 = 𝑈)))
11	8, 10	bitr4i 270	. . . . . 6 ⊢ (((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) ∧ ¬ 𝑠 = 𝑈) ↔ (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈))
12	7, 11	xchbinx 326	. . . . 5 ⊢ (((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈) ↔ ¬ (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈))
13	12	ralbii 3161	. . . 4 ⊢ (∀𝑠 ∈ 𝑆 ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈) ↔ ∀𝑠 ∈ 𝑆 ¬ (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈))
14		ralnex 3173	. . . 4 ⊢ (∀𝑠 ∈ 𝑆 ¬ (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈) ↔ ¬ ∃𝑠 ∈ 𝑆 (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈))
15	13, 14	bitri 267	. . 3 ⊢ (∀𝑠 ∈ 𝑆 ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈) ↔ ¬ ∃𝑠 ∈ 𝑆 (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈))
16	15	anbi2i 616	. 2 ⊢ ((𝑇 ⊊ 𝑈 ∧ ∀𝑠 ∈ 𝑆 ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈)) ↔ (𝑇 ⊊ 𝑈 ∧ ¬ ∃𝑠 ∈ 𝑆 (𝑇 ⊊ 𝑠 ∧ 𝑠 ⊊ 𝑈)))
17	6, 16	syl6bbr 281	1 ⊢ (𝜑 → (𝑇𝐶𝑈 ↔ (𝑇 ⊊ 𝑈 ∧ ∀𝑠 ∈ 𝑆 ((𝑇 ⊊ 𝑠 ∧ 𝑠 ⊆ 𝑈) → 𝑠 = 𝑈))))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 198   ∧ wa 386   = wceq 1601   ∈ wcel 2106  ∀wral 3089  ∃wrex 3090   ⊆ wss 3791   ⊊ wpss 3792   class class class wbr 4886  ‘cfv 6135  LSubSpclss 19324   ⋖_L clcv 35166

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1839  ax-4 1853  ax-5 1953  ax-6 2021  ax-7 2054  ax-8 2108  ax-9 2115  ax-10 2134  ax-11 2149  ax-12 2162  ax-13 2333  ax-ext 2753  ax-sep 5017  ax-nul 5025  ax-pow 5077  ax-pr 5138  ax-un 7226

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 837  df-3an 1073  df-tru 1605  df-ex 1824  df-nf 1828  df-sb 2012  df-mo 2550  df-eu 2586  df-clab 2763  df-cleq 2769  df-clel 2773  df-nfc 2920  df-ne 2969  df-ral 3094  df-rex 3095  df-rab 3098  df-v 3399  df-sbc 3652  df-dif 3794  df-un 3796  df-in 3798  df-ss 3805  df-pss 3807  df-nul 4141  df-if 4307  df-pw 4380  df-sn 4398  df-pr 4400  df-op 4404  df-uni 4672  df-br 4887  df-opab 4949  df-mpt 4966  df-id 5261  df-xp 5361  df-rel 5362  df-cnv 5363  df-co 5364  df-dm 5365  df-iota 6099  df-fun 6137  df-fv 6143  df-lcv 35167

This theorem is referenced by:  lsmcv2  35177  lsat0cv  35181