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Theorem dibglbN 38169
Description: Partial isomorphism B of a lattice glb. (Contributed by NM, 9-Mar-2014.) (New usage is discouraged.)
Hypotheses
Ref Expression
dibglb.g 𝐺 = (glb‘𝐾)
dibglb.h 𝐻 = (LHyp‘𝐾)
dibglb.i 𝐼 = ((DIsoB‘𝐾)‘𝑊)
Assertion
Ref Expression
dibglbN (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))
Distinct variable groups:   𝑥,𝐺   𝑥,𝐻   𝑥,𝐾   𝑥,𝑆   𝑥,𝑊
Allowed substitution hint:   𝐼(𝑥)

Proof of Theorem dibglbN
Dummy variables 𝑓 𝑠 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpl 483 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → (𝐾 ∈ HL ∧ 𝑊𝐻))
2 simprl 767 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → 𝑆 ⊆ dom 𝐼)
3 eqid 2826 . . . . . 6 (Base‘𝐾) = (Base‘𝐾)
4 eqid 2826 . . . . . 6 (le‘𝐾) = (le‘𝐾)
5 dibglb.h . . . . . 6 𝐻 = (LHyp‘𝐾)
6 dibglb.i . . . . . 6 𝐼 = ((DIsoB‘𝐾)‘𝑊)
73, 4, 5, 6dibdmN 38160 . . . . 5 ((𝐾 ∈ HL ∧ 𝑊𝐻) → dom 𝐼 = {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
87sseq2d 4003 . . . 4 ((𝐾 ∈ HL ∧ 𝑊𝐻) → (𝑆 ⊆ dom 𝐼𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊}))
98adantr 481 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → (𝑆 ⊆ dom 𝐼𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊}))
102, 9mpbid 233 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → 𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
11 simprr 769 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → 𝑆 ≠ ∅)
125, 6dibvalrel 38166 . . . 4 ((𝐾 ∈ HL ∧ 𝑊𝐻) → Rel (𝐼‘(𝐺𝑆)))
1312adantr 481 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → Rel (𝐼‘(𝐺𝑆)))
14 n0 4314 . . . . . . . 8 (𝑆 ≠ ∅ ↔ ∃𝑥 𝑥𝑆)
1514biimpi 217 . . . . . . 7 (𝑆 ≠ ∅ → ∃𝑥 𝑥𝑆)
1615ad2antll 725 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → ∃𝑥 𝑥𝑆)
175, 6dibvalrel 38166 . . . . . . . . . 10 ((𝐾 ∈ HL ∧ 𝑊𝐻) → Rel (𝐼𝑥))
1817adantr 481 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → Rel (𝐼𝑥))
1918a1d 25 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝑥𝑆 → Rel (𝐼𝑥)))
2019ancld 551 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝑥𝑆 → (𝑥𝑆 ∧ Rel (𝐼𝑥))))
2120eximdv 1911 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (∃𝑥 𝑥𝑆 → ∃𝑥(𝑥𝑆 ∧ Rel (𝐼𝑥))))
2216, 21mpd 15 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → ∃𝑥(𝑥𝑆 ∧ Rel (𝐼𝑥)))
23 df-rex 3149 . . . . 5 (∃𝑥𝑆 Rel (𝐼𝑥) ↔ ∃𝑥(𝑥𝑆 ∧ Rel (𝐼𝑥)))
2422, 23sylibr 235 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → ∃𝑥𝑆 Rel (𝐼𝑥))
25 reliin 5689 . . . 4 (∃𝑥𝑆 Rel (𝐼𝑥) → Rel 𝑥𝑆 (𝐼𝑥))
2624, 25syl 17 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → Rel 𝑥𝑆 (𝐼𝑥))
27 id 22 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → ((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)))
28 simpl 483 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝐾 ∈ HL ∧ 𝑊𝐻))
29 simprl 767 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → 𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
30 eqid 2826 . . . . . . . . . . . . 13 ((DIsoA‘𝐾)‘𝑊) = ((DIsoA‘𝐾)‘𝑊)
313, 4, 5, 30diadm 38038 . . . . . . . . . . . 12 ((𝐾 ∈ HL ∧ 𝑊𝐻) → dom ((DIsoA‘𝐾)‘𝑊) = {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
3231adantr 481 . . . . . . . . . . 11 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → dom ((DIsoA‘𝐾)‘𝑊) = {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
3329, 32sseqtrrd 4012 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → 𝑆 ⊆ dom ((DIsoA‘𝐾)‘𝑊))
34 simprr 769 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → 𝑆 ≠ ∅)
35 dibglb.g . . . . . . . . . . 11 𝐺 = (glb‘𝐾)
3635, 5, 30diaglbN 38058 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom ((DIsoA‘𝐾)‘𝑊) ∧ 𝑆 ≠ ∅)) → (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) = 𝑥𝑆 (((DIsoA‘𝐾)‘𝑊)‘𝑥))
3728, 33, 34, 36syl12anc 834 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) = 𝑥𝑆 (((DIsoA‘𝐾)‘𝑊)‘𝑥))
3837eleq2d 2903 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) ↔ 𝑓 𝑥𝑆 (((DIsoA‘𝐾)‘𝑊)‘𝑥)))
39 vex 3503 . . . . . . . . 9 𝑓 ∈ V
40 eliin 4922 . . . . . . . . 9 (𝑓 ∈ V → (𝑓 𝑥𝑆 (((DIsoA‘𝐾)‘𝑊)‘𝑥) ↔ ∀𝑥𝑆 𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥)))
4139, 40ax-mp 5 . . . . . . . 8 (𝑓 𝑥𝑆 (((DIsoA‘𝐾)‘𝑊)‘𝑥) ↔ ∀𝑥𝑆 𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥))
4238, 41syl6bb 288 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) ↔ ∀𝑥𝑆 𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥)))
4342anbi1d 629 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → ((𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾)))) ↔ (∀𝑥𝑆 𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
44 r19.27zv 4454 . . . . . . 7 (𝑆 ≠ ∅ → (∀𝑥𝑆 (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾)))) ↔ (∀𝑥𝑆 𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
4544ad2antll 725 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (∀𝑥𝑆 (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾)))) ↔ (∀𝑥𝑆 𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
4643, 45bitr4d 283 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → ((𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾)))) ↔ ∀𝑥𝑆 (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
47 hlclat 36361 . . . . . . . 8 (𝐾 ∈ HL → 𝐾 ∈ CLat)
4847ad2antrr 722 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → 𝐾 ∈ CLat)
49 ssrab2 4060 . . . . . . . 8 {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ⊆ (Base‘𝐾)
5029, 49syl6ss 3983 . . . . . . 7 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → 𝑆 ⊆ (Base‘𝐾))
513, 35clatglbcl 17714 . . . . . . 7 ((𝐾 ∈ CLat ∧ 𝑆 ⊆ (Base‘𝐾)) → (𝐺𝑆) ∈ (Base‘𝐾))
5248, 50, 51syl2anc 584 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝐺𝑆) ∈ (Base‘𝐾))
53 hllat 36366 . . . . . . . . 9 (𝐾 ∈ HL → 𝐾 ∈ Lat)
5453ad3antrrr 726 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝐾 ∈ Lat)
5547ad3antrrr 726 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝐾 ∈ CLat)
56 simplrl 773 . . . . . . . . . 10 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
5756, 49syl6ss 3983 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑆 ⊆ (Base‘𝐾))
5855, 57, 51syl2anc 584 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → (𝐺𝑆) ∈ (Base‘𝐾))
5950sselda 3971 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑥 ∈ (Base‘𝐾))
603, 5lhpbase 37001 . . . . . . . . 9 (𝑊𝐻𝑊 ∈ (Base‘𝐾))
6160ad3antlr 727 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑊 ∈ (Base‘𝐾))
62 simpr 485 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑥𝑆)
633, 4, 35clatglble 17725 . . . . . . . . 9 ((𝐾 ∈ CLat ∧ 𝑆 ⊆ (Base‘𝐾) ∧ 𝑥𝑆) → (𝐺𝑆)(le‘𝐾)𝑥)
6455, 57, 62, 63syl3anc 1365 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → (𝐺𝑆)(le‘𝐾)𝑥)
6529sselda 3971 . . . . . . . . . 10 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑥 ∈ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊})
66 breq1 5066 . . . . . . . . . . 11 (𝑦 = 𝑥 → (𝑦(le‘𝐾)𝑊𝑥(le‘𝐾)𝑊))
6766elrab 3684 . . . . . . . . . 10 (𝑥 ∈ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ↔ (𝑥 ∈ (Base‘𝐾) ∧ 𝑥(le‘𝐾)𝑊))
6865, 67sylib 219 . . . . . . . . 9 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → (𝑥 ∈ (Base‘𝐾) ∧ 𝑥(le‘𝐾)𝑊))
6968simprd 496 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → 𝑥(le‘𝐾)𝑊)
703, 4, 54, 58, 59, 61, 64, 69lattrd 17658 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → (𝐺𝑆)(le‘𝐾)𝑊)
7116, 70exlimddv 1929 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝐺𝑆)(le‘𝐾)𝑊)
72 eqid 2826 . . . . . . 7 ((LTrn‘𝐾)‘𝑊) = ((LTrn‘𝐾)‘𝑊)
73 eqid 2826 . . . . . . 7 ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))) = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾)))
743, 4, 5, 72, 73, 30, 6dibopelval2 38148 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ ((𝐺𝑆) ∈ (Base‘𝐾) ∧ (𝐺𝑆)(le‘𝐾)𝑊)) → (⟨𝑓, 𝑠⟩ ∈ (𝐼‘(𝐺𝑆)) ↔ (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
7528, 52, 71, 74syl12anc 834 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (⟨𝑓, 𝑠⟩ ∈ (𝐼‘(𝐺𝑆)) ↔ (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘(𝐺𝑆)) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
76 opex 5353 . . . . . . 7 𝑓, 𝑠⟩ ∈ V
77 eliin 4922 . . . . . . 7 (⟨𝑓, 𝑠⟩ ∈ V → (⟨𝑓, 𝑠⟩ ∈ 𝑥𝑆 (𝐼𝑥) ↔ ∀𝑥𝑆𝑓, 𝑠⟩ ∈ (𝐼𝑥)))
7876, 77ax-mp 5 . . . . . 6 (⟨𝑓, 𝑠⟩ ∈ 𝑥𝑆 (𝐼𝑥) ↔ ∀𝑥𝑆𝑓, 𝑠⟩ ∈ (𝐼𝑥))
79 simpll 763 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → (𝐾 ∈ HL ∧ 𝑊𝐻))
803, 4, 5, 72, 73, 30, 6dibopelval2 38148 . . . . . . . 8 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑥 ∈ (Base‘𝐾) ∧ 𝑥(le‘𝐾)𝑊)) → (⟨𝑓, 𝑠⟩ ∈ (𝐼𝑥) ↔ (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
8179, 68, 80syl2anc 584 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) ∧ 𝑥𝑆) → (⟨𝑓, 𝑠⟩ ∈ (𝐼𝑥) ↔ (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
8281ralbidva 3201 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (∀𝑥𝑆𝑓, 𝑠⟩ ∈ (𝐼𝑥) ↔ ∀𝑥𝑆 (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
8378, 82syl5bb 284 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (⟨𝑓, 𝑠⟩ ∈ 𝑥𝑆 (𝐼𝑥) ↔ ∀𝑥𝑆 (𝑓 ∈ (((DIsoA‘𝐾)‘𝑊)‘𝑥) ∧ 𝑠 = ( ∈ ((LTrn‘𝐾)‘𝑊) ↦ ( I ↾ (Base‘𝐾))))))
8446, 75, 833bitr4d 312 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (⟨𝑓, 𝑠⟩ ∈ (𝐼‘(𝐺𝑆)) ↔ ⟨𝑓, 𝑠⟩ ∈ 𝑥𝑆 (𝐼𝑥)))
8584eqrelrdv2 5667 . . 3 (((Rel (𝐼‘(𝐺𝑆)) ∧ Rel 𝑥𝑆 (𝐼𝑥)) ∧ ((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅))) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))
8613, 26, 27, 85syl21anc 835 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ {𝑦 ∈ (Base‘𝐾) ∣ 𝑦(le‘𝐾)𝑊} ∧ 𝑆 ≠ ∅)) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))
871, 10, 11, 86syl12anc 834 1 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑆 ⊆ dom 𝐼𝑆 ≠ ∅)) → (𝐼‘(𝐺𝑆)) = 𝑥𝑆 (𝐼𝑥))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 207  wa 396   = wceq 1530  wex 1773  wcel 2107  wne 3021  wral 3143  wrex 3144  {crab 3147  Vcvv 3500  wss 3940  c0 4295  cop 4570   ciin 4918   class class class wbr 5063  cmpt 5143   I cid 5458  dom cdm 5554  cres 5556  Rel wrel 5559  cfv 6352  Basecbs 16473  lecple 16562  glbcglb 17543  Latclat 17645  CLatccla 17707  HLchlt 36353  LHypclh 36987  LTrncltrn 37104  DIsoAcdia 38031  DIsoBcdib 38141
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1904  ax-6 1963  ax-7 2008  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2153  ax-12 2169  ax-ext 2798  ax-rep 5187  ax-sep 5200  ax-nul 5207  ax-pow 5263  ax-pr 5326  ax-un 7451
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 844  df-3an 1083  df-tru 1533  df-ex 1774  df-nf 1778  df-sb 2063  df-mo 2620  df-eu 2652  df-clab 2805  df-cleq 2819  df-clel 2898  df-nfc 2968  df-ne 3022  df-ral 3148  df-rex 3149  df-reu 3150  df-rab 3152  df-v 3502  df-sbc 3777  df-csb 3888  df-dif 3943  df-un 3945  df-in 3947  df-ss 3956  df-nul 4296  df-if 4471  df-pw 4544  df-sn 4565  df-pr 4567  df-op 4571  df-uni 4838  df-iun 4919  df-iin 4920  df-br 5064  df-opab 5126  df-mpt 5144  df-id 5459  df-xp 5560  df-rel 5561  df-cnv 5562  df-co 5563  df-dm 5564  df-rn 5565  df-res 5566  df-ima 5567  df-iota 6312  df-fun 6354  df-fn 6355  df-f 6356  df-f1 6357  df-fo 6358  df-f1o 6359  df-fv 6360  df-riota 7106  df-ov 7151  df-oprab 7152  df-mpo 7153  df-map 8398  df-proset 17528  df-poset 17546  df-plt 17558  df-lub 17574  df-glb 17575  df-join 17576  df-meet 17577  df-p0 17639  df-p1 17640  df-lat 17646  df-clat 17708  df-oposet 36179  df-ol 36181  df-oml 36182  df-covers 36269  df-ats 36270  df-atl 36301  df-cvlat 36325  df-hlat 36354  df-lhyp 36991  df-laut 36992  df-ldil 37107  df-ltrn 37108  df-trl 37162  df-disoa 38032  df-dib 38142
This theorem is referenced by:  dibintclN  38170  dihglblem3N  38298  dihmeetlem2N  38302
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