hdmap1eq - Mathbox for Norm Megill

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Theorem hdmap1eq 37964

Description: The defining equation for h(x,x',y)=y' in part (2) in [Baer] p. 45 line 24. (Contributed by NM, 16-May-2015.)

**Hypotheses**
Ref	Expression
hdmap1val2.h	⊢ 𝐻 = (LHyp‘𝐾)
hdmap1val2.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
hdmap1val2.v	⊢ 𝑉 = (Base‘𝑈)
hdmap1val2.s	⊢ − = (-_g‘𝑈)
hdmap1val2.o	⊢ 0 = (0_g‘𝑈)
hdmap1val2.n	⊢ 𝑁 = (LSpan‘𝑈)
hdmap1val2.c	⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
hdmap1val2.d	⊢ 𝐷 = (Base‘𝐶)
hdmap1val2.r	⊢ 𝑅 = (-_g‘𝐶)
hdmap1val2.l	⊢ 𝐿 = (LSpan‘𝐶)
hdmap1val2.m	⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
hdmap1val2.i	⊢ 𝐼 = ((HDMap1‘𝐾)‘𝑊)
hdmap1val2.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
hdmap1eq.x	⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
hdmap1eq.f	⊢ (𝜑 → 𝐹 ∈ 𝐷)
hdmap1eq.y	⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
hdmap1eq.g	⊢ (𝜑 → 𝐺 ∈ 𝐷)
hdmap1eq.e	⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
hdmap1eq.mn	⊢ (𝜑 → (𝑀‘(𝑁‘{𝑋})) = (𝐿‘{𝐹}))

**Assertion**
Ref	Expression
hdmap1eq	⊢ (𝜑 → ((𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = 𝐺 ↔ ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)}))))

Proof of Theorem hdmap1eq Dummy variable ℎ is distinct from all other variables.

Step	Hyp	Ref	Expression
1		hdmap1val2.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
2		hdmap1val2.u	. . . 4 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
3		hdmap1val2.v	. . . 4 ⊢ 𝑉 = (Base‘𝑈)
4		hdmap1val2.s	. . . 4 ⊢ − = (-_g‘𝑈)
5		hdmap1val2.o	. . . 4 ⊢ 0 = (0_g‘𝑈)
6		hdmap1val2.n	. . . 4 ⊢ 𝑁 = (LSpan‘𝑈)
7		hdmap1val2.c	. . . 4 ⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
8		hdmap1val2.d	. . . 4 ⊢ 𝐷 = (Base‘𝐶)
9		hdmap1val2.r	. . . 4 ⊢ 𝑅 = (-_g‘𝐶)
10		hdmap1val2.l	. . . 4 ⊢ 𝐿 = (LSpan‘𝐶)
11		hdmap1val2.m	. . . 4 ⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
12		hdmap1val2.i	. . . 4 ⊢ 𝐼 = ((HDMap1‘𝐾)‘𝑊)
13		hdmap1val2.k	. . . 4 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
14		hdmap1eq.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
15	14	eldifad 3804	. . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
16		hdmap1eq.f	. . . 4 ⊢ (𝜑 → 𝐹 ∈ 𝐷)
17		hdmap1eq.y	. . . 4 ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
18	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17	hdmap1val2 37963	. . 3 ⊢ (𝜑 → (𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = (℩ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)}))))
19	18	eqeq1d 2780	. 2 ⊢ (𝜑 → ((𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = 𝐺 ↔ (℩ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)}))) = 𝐺))
20		hdmap1eq.e	. . . 4 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
21		hdmap1eq.mn	. . . 4 ⊢ (𝜑 → (𝑀‘(𝑁‘{𝑋})) = (𝐿‘{𝐹}))
22	1, 11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 17, 16, 20, 21	mapdpg 37869	. . 3 ⊢ (𝜑 → ∃!ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)})))
23		nfv 1957	. . . 4 ⊢ Ⅎℎ𝜑
24		nfcvd 2935	. . . 4 ⊢ (𝜑 → Ⅎℎ𝐺)
25		nfvd 1958	. . . 4 ⊢ (𝜑 → Ⅎℎ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)})))
26		hdmap1eq.g	. . . 4 ⊢ (𝜑 → 𝐺 ∈ 𝐷)
27		sneq 4408	. . . . . . . 8 ⊢ (ℎ = 𝐺 → {ℎ} = {𝐺})
28	27	fveq2d 6452	. . . . . . 7 ⊢ (ℎ = 𝐺 → (𝐿‘{ℎ}) = (𝐿‘{𝐺}))
29	28	eqeq2d 2788	. . . . . 6 ⊢ (ℎ = 𝐺 → ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ↔ (𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺})))
30		oveq2 6932	. . . . . . . . 9 ⊢ (ℎ = 𝐺 → (𝐹𝑅ℎ) = (𝐹𝑅𝐺))
31	30	sneqd 4410	. . . . . . . 8 ⊢ (ℎ = 𝐺 → {(𝐹𝑅ℎ)} = {(𝐹𝑅𝐺)})
32	31	fveq2d 6452	. . . . . . 7 ⊢ (ℎ = 𝐺 → (𝐿‘{(𝐹𝑅ℎ)}) = (𝐿‘{(𝐹𝑅𝐺)}))
33	32	eqeq2d 2788	. . . . . 6 ⊢ (ℎ = 𝐺 → ((𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)}) ↔ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)})))
34	29, 33	anbi12d 624	. . . . 5 ⊢ (ℎ = 𝐺 → (((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)})) ↔ ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)}))))
35	34	adantl 475	. . . 4 ⊢ ((𝜑 ∧ ℎ = 𝐺) → (((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)})) ↔ ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)}))))
36	23, 24, 25, 26, 35	riota2df 6905	. . 3 ⊢ ((𝜑 ∧ ∃!ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)}))) → (((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)})) ↔ (℩ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)}))) = 𝐺))
37	22, 36	mpdan 677	. 2 ⊢ (𝜑 → (((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)})) ↔ (℩ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{ℎ}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅ℎ)}))) = 𝐺))
38	19, 37	bitr4d 274	1 ⊢ (𝜑 → ((𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = 𝐺 ↔ ((𝑀‘(𝑁‘{𝑌})) = (𝐿‘{𝐺}) ∧ (𝑀‘(𝑁‘{(𝑋 − 𝑌)})) = (𝐿‘{(𝐹𝑅𝐺)}))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 198 ∧ wa 386 = wceq 1601 ∈ wcel 2107 ≠ wne 2969 ∃!wreu 3092 ∖ cdif 3789 {csn 4398 ⟨cotp 4406 ‘cfv 6137 ℩crio 6884 (class class class)co 6924 Basecbs 16266 0_gc0g 16497 -_gcsg 17822 LSpanclspn 19377 HLchlt 35513 LHypclh 36147 DVecHcdvh 37241 LCDualclcd 37749 mapdcmpd 37787 HDMap1chdma1 37954

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 2055 ax-8 2109 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-rep 5008 ax-sep 5019 ax-nul 5027 ax-pow 5079 ax-pr 5140 ax-un 7228 ax-cnex 10330 ax-resscn 10331 ax-1cn 10332 ax-icn 10333 ax-addcl 10334 ax-addrcl 10335 ax-mulcl 10336 ax-mulrcl 10337 ax-mulcom 10338 ax-addass 10339 ax-mulass 10340 ax-distr 10341 ax-i2m1 10342 ax-1ne0 10343 ax-1rid 10344 ax-rnegex 10345 ax-rrecex 10346 ax-cnre 10347 ax-pre-lttri 10348 ax-pre-lttrn 10349 ax-pre-ltadd 10350 ax-pre-mulgt0 10351 ax-riotaBAD 35116

This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3or 1072 df-3an 1073 df-tru 1605 df-fal 1615 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ne 2970 df-nel 3076 df-ral 3095 df-rex 3096 df-reu 3097 df-rmo 3098 df-rab 3099 df-v 3400 df-sbc 3653 df-csb 3752 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-pss 3808 df-nul 4142 df-if 4308 df-pw 4381 df-sn 4399 df-pr 4401 df-tp 4403 df-op 4405 df-ot 4407 df-uni 4674 df-int 4713 df-iun 4757 df-iin 4758 df-br 4889 df-opab 4951 df-mpt 4968 df-tr 4990 df-id 5263 df-eprel 5268 df-po 5276 df-so 5277 df-fr 5316 df-we 5318 df-xp 5363 df-rel 5364 df-cnv 5365 df-co 5366 df-dm 5367 df-rn 5368 df-res 5369 df-ima 5370 df-pred 5935 df-ord 5981 df-on 5982 df-lim 5983 df-suc 5984 df-iota 6101 df-fun 6139 df-fn 6140 df-f 6141 df-f1 6142 df-fo 6143 df-f1o 6144 df-fv 6145 df-riota 6885 df-ov 6927 df-oprab 6928 df-mpt2 6929 df-of 7176 df-om 7346 df-1st 7447 df-2nd 7448 df-tpos 7636 df-undef 7683 df-wrecs 7691 df-recs 7753 df-rdg 7791 df-1o 7845 df-oadd 7849 df-er 8028 df-map 8144 df-en 8244 df-dom 8245 df-sdom 8246 df-fin 8247 df-pnf 10415 df-mnf 10416 df-xr 10417 df-ltxr 10418 df-le 10419 df-sub 10610 df-neg 10611 df-nn 11380 df-2 11443 df-3 11444 df-4 11445 df-5 11446 df-6 11447 df-n0 11648 df-z 11734 df-uz 11998 df-fz 12649 df-struct 16268 df-ndx 16269 df-slot 16270 df-base 16272 df-sets 16273 df-ress 16274 df-plusg 16362 df-mulr 16363 df-sca 16365 df-vsca 16366 df-0g 16499 df-mre 16643 df-mrc 16644 df-acs 16646 df-proset 17325 df-poset 17343 df-plt 17355 df-lub 17371 df-glb 17372 df-join 17373 df-meet 17374 df-p0 17436 df-p1 17437 df-lat 17443 df-clat 17505 df-mgm 17639 df-sgrp 17681 df-mnd 17692 df-submnd 17733 df-grp 17823 df-minusg 17824 df-sbg 17825 df-subg 17986 df-cntz 18144 df-oppg 18170 df-lsm 18446 df-cmn 18592 df-abl 18593 df-mgp 18888 df-ur 18900 df-ring 18947 df-oppr 19021 df-dvdsr 19039 df-unit 19040 df-invr 19070 df-dvr 19081 df-drng 19152 df-lmod 19268 df-lss 19336 df-lsp 19378 df-lvec 19509 df-lsatoms 35139 df-lshyp 35140 df-lcv 35182 df-lfl 35221 df-lkr 35249 df-ldual 35287 df-oposet 35339 df-ol 35341 df-oml 35342 df-covers 35429 df-ats 35430 df-atl 35461 df-cvlat 35485 df-hlat 35514 df-llines 35661 df-lplanes 35662 df-lvols 35663 df-lines 35664 df-psubsp 35666 df-pmap 35667 df-padd 35959 df-lhyp 36151 df-laut 36152 df-ldil 36267 df-ltrn 36268 df-trl 36322 df-tgrp 36906 df-tendo 36918 df-edring 36920 df-dveca 37166 df-disoa 37192 df-dvech 37242 df-dib 37302 df-dic 37336 df-dih 37392 df-doch 37511 df-djh 37558 df-lcdual 37750 df-mapd 37788 df-hdmap1 37956

This theorem is referenced by: hdmap1l6lem1 37970 hdmap1l6lem2 37971 hdmap1l6a 37972 hdmapval3lemN 38000 hdmap10lem 38002 hdmap11lem1 38004

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