Theorem dia0 38190

Description: The value of the partial isomorphism A at the lattice zero is the singleton of the identity translation i.e. the zero subspace. (Contributed by NM, 26-Nov-2013.)

Hypotheses

Ref	Expression
dia0.b	⊢ 𝐵 = (Base‘𝐾)
dia0.z	⊢ 0 = (0.‘𝐾)
dia0.h	⊢ 𝐻 = (LHyp‘𝐾)
dia0.i	⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊)

Assertion

Ref	Expression
dia0	⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝐼‘ 0 ) = {( I ↾ 𝐵)})

Proof of Theorem dia0

Dummy variable 𝑓 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		id 22	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
2		hlatl 36498	. . . . 5 ⊢ (𝐾 ∈ HL → 𝐾 ∈ AtLat)
3		dia0.b	. . . . . 6 ⊢ 𝐵 = (Base‘𝐾)
4		dia0.z	. . . . . 6 ⊢ 0 = (0.‘𝐾)
5	3, 4	atl0cl 36441	. . . . 5 ⊢ (𝐾 ∈ AtLat → 0 ∈ 𝐵)
6	2, 5	syl 17	. . . 4 ⊢ (𝐾 ∈ HL → 0 ∈ 𝐵)
7	6	adantr 483	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → 0 ∈ 𝐵)
8		dia0.h	. . . . 5 ⊢ 𝐻 = (LHyp‘𝐾)
9	3, 8	lhpbase 37136	. . . 4 ⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵)
10		eqid 2823	. . . . 5 ⊢ (le‘𝐾) = (le‘𝐾)
11	3, 10, 4	atl0le 36442	. . . 4 ⊢ ((𝐾 ∈ AtLat ∧ 𝑊 ∈ 𝐵) → 0 (le‘𝐾)𝑊)
12	2, 9, 11	syl2an 597	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → 0 (le‘𝐾)𝑊)
13		eqid 2823	. . . 4 ⊢ ((LTrn‘𝐾)‘𝑊) = ((LTrn‘𝐾)‘𝑊)
14		eqid 2823	. . . 4 ⊢ ((trL‘𝐾)‘𝑊) = ((trL‘𝐾)‘𝑊)
15		dia0.i	. . . 4 ⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊)
16	3, 10, 8, 13, 14, 15	diaval 38170	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ( 0 ∈ 𝐵 ∧ 0 (le‘𝐾)𝑊)) → (𝐼‘ 0 ) = {𝑓 ∈ ((LTrn‘𝐾)‘𝑊) ∣ (((trL‘𝐾)‘𝑊)‘𝑓)(le‘𝐾) 0 })
17	1, 7, 12, 16	syl12anc 834	. 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝐼‘ 0 ) = {𝑓 ∈ ((LTrn‘𝐾)‘𝑊) ∣ (((trL‘𝐾)‘𝑊)‘𝑓)(le‘𝐾) 0 })
18	2	ad2antrr 724	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑓 ∈ ((LTrn‘𝐾)‘𝑊)) → 𝐾 ∈ AtLat)
19	3, 8, 13, 14	trlcl 37302	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑓 ∈ ((LTrn‘𝐾)‘𝑊)) → (((trL‘𝐾)‘𝑊)‘𝑓) ∈ 𝐵)
20	3, 10, 4	atlle0 36443	. . . . 5 ⊢ ((𝐾 ∈ AtLat ∧ (((trL‘𝐾)‘𝑊)‘𝑓) ∈ 𝐵) → ((((trL‘𝐾)‘𝑊)‘𝑓)(le‘𝐾) 0 ↔ (((trL‘𝐾)‘𝑊)‘𝑓) = 0 ))
21	18, 19, 20	syl2anc 586	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑓 ∈ ((LTrn‘𝐾)‘𝑊)) → ((((trL‘𝐾)‘𝑊)‘𝑓)(le‘𝐾) 0 ↔ (((trL‘𝐾)‘𝑊)‘𝑓) = 0 ))
22	3, 4, 8, 13, 14	trlid0b 37316	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑓 ∈ ((LTrn‘𝐾)‘𝑊)) → (𝑓 = ( I ↾ 𝐵) ↔ (((trL‘𝐾)‘𝑊)‘𝑓) = 0 ))
23	21, 22	bitr4d 284	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑓 ∈ ((LTrn‘𝐾)‘𝑊)) → ((((trL‘𝐾)‘𝑊)‘𝑓)(le‘𝐾) 0 ↔ 𝑓 = ( I ↾ 𝐵)))
24	23	rabbidva 3480	. 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → {𝑓 ∈ ((LTrn‘𝐾)‘𝑊) ∣ (((trL‘𝐾)‘𝑊)‘𝑓)(le‘𝐾) 0 } = {𝑓 ∈ ((LTrn‘𝐾)‘𝑊) ∣ 𝑓 = ( I ↾ 𝐵)})
25	3, 8, 13	idltrn 37288	. . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → ( I ↾ 𝐵) ∈ ((LTrn‘𝐾)‘𝑊))
26		rabsn 4659	. . 3 ⊢ (( I ↾ 𝐵) ∈ ((LTrn‘𝐾)‘𝑊) → {𝑓 ∈ ((LTrn‘𝐾)‘𝑊) ∣ 𝑓 = ( I ↾ 𝐵)} = {( I ↾ 𝐵)})
27	25, 26	syl 17	. 2 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → {𝑓 ∈ ((LTrn‘𝐾)‘𝑊) ∣ 𝑓 = ( I ↾ 𝐵)} = {( I ↾ 𝐵)})
28	17, 24, 27	3eqtrd 2862	1 ⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝐼‘ 0 ) = {( I ↾ 𝐵)})

Syntax hints:   → wi 4   ↔ wb 208   ∧ wa 398   = wceq 1537   ∈ wcel 2114  {crab 3144  {csn 4569   class class class wbr 5068   I cid 5461   ↾ cres 5559  ‘cfv 6357  Basecbs 16485  lecple 16574  0.cp0 17649  AtLatcal 36402  HLchlt 36488  LHypclh 37122  LTrncltrn 37239  trLctrl 37296  DIsoAcdia 38166

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-rep 5192  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332  ax-un 7463

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-ral 3145  df-rex 3146  df-reu 3147  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-pw 4543  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-iun 4923  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-f1 6362  df-fo 6363  df-f1o 6364  df-fv 6365  df-riota 7116  df-ov 7161  df-oprab 7162  df-mpo 7163  df-map 8410  df-proset 17540  df-poset 17558  df-plt 17570  df-lub 17586  df-glb 17587  df-join 17588  df-meet 17589  df-p0 17651  df-p1 17652  df-lat 17658  df-clat 17720  df-oposet 36314  df-ol 36316  df-oml 36317  df-covers 36404  df-ats 36405  df-atl 36436  df-cvlat 36460  df-hlat 36489  df-lhyp 37126  df-laut 37127  df-ldil 37242  df-ltrn 37243  df-trl 37297  df-disoa 38167

This theorem is referenced by:  dib0  38302