dochord - Mathbox for Norm Megill

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Theorem dochord 41942

Description: Ordering law for orthocomplement. (Contributed by NM, 12-Aug-2014.)

**Hypotheses**
Ref	Expression
doch11.h	⊢ 𝐻 = (LHyp‘𝐾)
doch11.i	⊢ 𝐼 = ((DIsoH‘𝐾)‘𝑊)
doch11.o	⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
doch11.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
doch11.x	⊢ (𝜑 → 𝑋 ∈ ran 𝐼)
doch11.y	⊢ (𝜑 → 𝑌 ∈ ran 𝐼)

**Assertion**
Ref	Expression
dochord	⊢ (𝜑 → (𝑋 ⊆ 𝑌 ↔ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)))

**Proof of Theorem dochord**
Step	Hyp	Ref	Expression
1		doch11.k	. . . 4 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
2	1	adantr 483	. . 3 ⊢ ((𝜑 ∧ 𝑋 ⊆ 𝑌) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
3		doch11.y	. . . . 5 ⊢ (𝜑 → 𝑌 ∈ ran 𝐼)
4		doch11.h	. . . . . 6 ⊢ 𝐻 = (LHyp‘𝐾)
5		eqid 2756	. . . . . 6 ⊢ ((DVecH‘𝐾)‘𝑊) = ((DVecH‘𝐾)‘𝑊)
6		doch11.i	. . . . . 6 ⊢ 𝐼 = ((DIsoH‘𝐾)‘𝑊)
7		eqid 2756	. . . . . 6 ⊢ (Base‘((DVecH‘𝐾)‘𝑊)) = (Base‘((DVecH‘𝐾)‘𝑊))
8	4, 5, 6, 7	dihrnss 41850	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑌 ∈ ran 𝐼) → 𝑌 ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
9	1, 3, 8	syl2anc 592	. . . 4 ⊢ (𝜑 → 𝑌 ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
10	9	adantr 483	. . 3 ⊢ ((𝜑 ∧ 𝑋 ⊆ 𝑌) → 𝑌 ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
11		simpr 487	. . 3 ⊢ ((𝜑 ∧ 𝑋 ⊆ 𝑌) → 𝑋 ⊆ 𝑌)
12		doch11.o	. . . 4 ⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
13	4, 5, 7, 12	dochss 41937	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑌 ⊆ (Base‘((DVecH‘𝐾)‘𝑊)) ∧ 𝑋 ⊆ 𝑌) → ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋))
14	2, 10, 11, 13	syl3anc 1386	. 2 ⊢ ((𝜑 ∧ 𝑋 ⊆ 𝑌) → ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋))
15	1	adantr 483	. . . 4 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
16		doch11.x	. . . . . . . 8 ⊢ (𝜑 → 𝑋 ∈ ran 𝐼)
17	4, 5, 6, 7	dihrnss 41850	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑋 ∈ ran 𝐼) → 𝑋 ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
18	1, 16, 17	syl2anc 592	. . . . . . 7 ⊢ (𝜑 → 𝑋 ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
19	4, 6, 5, 7, 12	dochcl 41925	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑋 ⊆ (Base‘((DVecH‘𝐾)‘𝑊))) → ( ⊥ ‘𝑋) ∈ ran 𝐼)
20	1, 18, 19	syl2anc 592	. . . . . 6 ⊢ (𝜑 → ( ⊥ ‘𝑋) ∈ ran 𝐼)
21	4, 5, 6, 7	dihrnss 41850	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ( ⊥ ‘𝑋) ∈ ran 𝐼) → ( ⊥ ‘𝑋) ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
22	1, 20, 21	syl2anc 592	. . . . 5 ⊢ (𝜑 → ( ⊥ ‘𝑋) ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
23	22	adantr 483	. . . 4 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → ( ⊥ ‘𝑋) ⊆ (Base‘((DVecH‘𝐾)‘𝑊)))
24		simpr 487	. . . 4 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋))
25	4, 5, 7, 12	dochss 41937	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ( ⊥ ‘𝑋) ⊆ (Base‘((DVecH‘𝐾)‘𝑊)) ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → ( ⊥ ‘( ⊥ ‘𝑋)) ⊆ ( ⊥ ‘( ⊥ ‘𝑌)))
26	15, 23, 24, 25	syl3anc 1386	. . 3 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → ( ⊥ ‘( ⊥ ‘𝑋)) ⊆ ( ⊥ ‘( ⊥ ‘𝑌)))
27	4, 6, 12	dochoc 41939	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑋 ∈ ran 𝐼) → ( ⊥ ‘( ⊥ ‘𝑋)) = 𝑋)
28	1, 16, 27	syl2anc 592	. . . 4 ⊢ (𝜑 → ( ⊥ ‘( ⊥ ‘𝑋)) = 𝑋)
29	28	adantr 483	. . 3 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → ( ⊥ ‘( ⊥ ‘𝑋)) = 𝑋)
30	4, 6, 12	dochoc 41939	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑌 ∈ ran 𝐼) → ( ⊥ ‘( ⊥ ‘𝑌)) = 𝑌)
31	1, 3, 30	syl2anc 592	. . . 4 ⊢ (𝜑 → ( ⊥ ‘( ⊥ ‘𝑌)) = 𝑌)
32	31	adantr 483	. . 3 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → ( ⊥ ‘( ⊥ ‘𝑌)) = 𝑌)
33	26, 29, 32	3sstr3d 3985	. 2 ⊢ ((𝜑 ∧ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) → 𝑋 ⊆ 𝑌)
34	14, 33	impbida 808	1 ⊢ (𝜑 → (𝑋 ⊆ 𝑌 ↔ ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1554 ∈ wcel 2136 ⊆ wss 3899 ran crn 5641 ‘cfv 6510 Basecbs 17221 HLchlt 39922 LHypclh 40556 DVecHcdvh 41650 DIsoHcdih 41800 ocHcoch 41919

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-cnex 11119 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 ax-pre-mulgt0 11140 ax-riotaBAD 39525

This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-rmo 3361 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-tp 4581 df-op 4583 df-uni 4860 df-int 4900 df-iun 4945 df-iin 4946 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-om 7836 df-1st 7959 df-2nd 7960 df-tpos 8194 df-undef 8241 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-rdg 8369 df-1o 8425 df-er 8666 df-map 8798 df-en 8917 df-dom 8918 df-sdom 8919 df-fin 8920 df-pnf 11208 df-mnf 11209 df-xr 11210 df-ltxr 11211 df-le 11212 df-sub 11406 df-neg 11407 df-nn 12201 df-2 12270 df-3 12271 df-4 12272 df-5 12273 df-6 12274 df-n0 12472 df-z 12559 df-uz 12830 df-fz 13503 df-struct 17159 df-sets 17176 df-slot 17194 df-ndx 17206 df-base 17222 df-ress 17243 df-plusg 17275 df-mulr 17276 df-sca 17278 df-vsca 17279 df-0g 17446 df-proset 18302 df-poset 18321 df-plt 18336 df-lub 18352 df-glb 18353 df-join 18354 df-meet 18355 df-p0 18431 df-p1 18432 df-lat 18440 df-clat 18507 df-mgm 18650 df-sgrp 18729 df-mnd 18745 df-submnd 18794 df-grp 18954 df-minusg 18955 df-sbg 18956 df-subg 19141 df-cntz 19333 df-lsm 19652 df-cmn 19798 df-abl 19799 df-mgp 20163 df-rng 20175 df-ur 20204 df-ring 20257 df-oppr 20358 df-dvdsr 20378 df-unit 20379 df-invr 20409 df-dvr 20422 df-drng 20753 df-lmod 20902 df-lss 20972 df-lsp 21012 df-lvec 21143 df-oposet 39748 df-ol 39750 df-oml 39751 df-covers 39838 df-ats 39839 df-atl 39870 df-cvlat 39894 df-hlat 39923 df-llines 40070 df-lplanes 40071 df-lvols 40072 df-lines 40073 df-psubsp 40075 df-pmap 40076 df-padd 40368 df-lhyp 40560 df-laut 40561 df-ldil 40676 df-ltrn 40677 df-trl 40731 df-tendo 41327 df-edring 41329 df-disoa 41601 df-dvech 41651 df-dib 41711 df-dic 41745 df-dih 41801 df-doch 41920

This theorem is referenced by: dochord2N 41943 dochord3 41944 doch11 41945 dochsordN 41946 dochsatshpb 42024 hdmapoc 42503

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