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Theorem mreacs 17032
Description: Algebraicity is a composable property; combining several algebraic closure properties gives another. (Contributed by Stefan O'Rear, 3-Apr-2015.)
Assertion
Ref Expression
mreacs (𝑋𝑉 → (ACS‘𝑋) ∈ (Moore‘𝒫 𝑋))

Proof of Theorem mreacs
Dummy variables 𝑎 𝑏 𝑐 𝑥 𝑑 𝑒 𝑓 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fveq2 6674 . . 3 (𝑥 = 𝑋 → (ACS‘𝑥) = (ACS‘𝑋))
2 pweq 4504 . . . 4 (𝑥 = 𝑋 → 𝒫 𝑥 = 𝒫 𝑋)
32fveq2d 6678 . . 3 (𝑥 = 𝑋 → (Moore‘𝒫 𝑥) = (Moore‘𝒫 𝑋))
41, 3eleq12d 2827 . 2 (𝑥 = 𝑋 → ((ACS‘𝑥) ∈ (Moore‘𝒫 𝑥) ↔ (ACS‘𝑋) ∈ (Moore‘𝒫 𝑋)))
5 acsmre 17026 . . . . . . 7 (𝑎 ∈ (ACS‘𝑥) → 𝑎 ∈ (Moore‘𝑥))
6 mresspw 16966 . . . . . . . 8 (𝑎 ∈ (Moore‘𝑥) → 𝑎 ⊆ 𝒫 𝑥)
75, 6syl 17 . . . . . . 7 (𝑎 ∈ (ACS‘𝑥) → 𝑎 ⊆ 𝒫 𝑥)
85, 7elpwd 4496 . . . . . 6 (𝑎 ∈ (ACS‘𝑥) → 𝑎 ∈ 𝒫 𝒫 𝑥)
98ssriv 3881 . . . . 5 (ACS‘𝑥) ⊆ 𝒫 𝒫 𝑥
109a1i 11 . . . 4 (⊤ → (ACS‘𝑥) ⊆ 𝒫 𝒫 𝑥)
11 vex 3402 . . . . . . . 8 𝑥 ∈ V
12 mremre 16978 . . . . . . . 8 (𝑥 ∈ V → (Moore‘𝑥) ∈ (Moore‘𝒫 𝑥))
1311, 12mp1i 13 . . . . . . 7 (𝑎 ⊆ (ACS‘𝑥) → (Moore‘𝑥) ∈ (Moore‘𝒫 𝑥))
145ssriv 3881 . . . . . . . 8 (ACS‘𝑥) ⊆ (Moore‘𝑥)
15 sstr 3885 . . . . . . . 8 ((𝑎 ⊆ (ACS‘𝑥) ∧ (ACS‘𝑥) ⊆ (Moore‘𝑥)) → 𝑎 ⊆ (Moore‘𝑥))
1614, 15mpan2 691 . . . . . . 7 (𝑎 ⊆ (ACS‘𝑥) → 𝑎 ⊆ (Moore‘𝑥))
17 mrerintcl 16971 . . . . . . 7 (((Moore‘𝑥) ∈ (Moore‘𝒫 𝑥) ∧ 𝑎 ⊆ (Moore‘𝑥)) → (𝒫 𝑥 𝑎) ∈ (Moore‘𝑥))
1813, 16, 17syl2anc 587 . . . . . 6 (𝑎 ⊆ (ACS‘𝑥) → (𝒫 𝑥 𝑎) ∈ (Moore‘𝑥))
19 ssel2 3872 . . . . . . . . . . . . . . . 16 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑑𝑎) → 𝑑 ∈ (ACS‘𝑥))
2019acsmred 17030 . . . . . . . . . . . . . . 15 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑑𝑎) → 𝑑 ∈ (Moore‘𝑥))
21 eqid 2738 . . . . . . . . . . . . . . 15 (mrCls‘𝑑) = (mrCls‘𝑑)
2220, 21mrcssvd 16997 . . . . . . . . . . . . . 14 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑑𝑎) → ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥)
2322ralrimiva 3096 . . . . . . . . . . . . 13 (𝑎 ⊆ (ACS‘𝑥) → ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥)
2423adantr 484 . . . . . . . . . . . 12 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑐 ∈ 𝒫 𝑥) → ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥)
25 iunss 4931 . . . . . . . . . . . 12 ( 𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥 ↔ ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥)
2624, 25sylibr 237 . . . . . . . . . . 11 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑐 ∈ 𝒫 𝑥) → 𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥)
2711elpw2 5213 . . . . . . . . . . 11 ( 𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ⊆ 𝑥)
2826, 27sylibr 237 . . . . . . . . . 10 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑐 ∈ 𝒫 𝑥) → 𝑑𝑎 ((mrCls‘𝑑)‘𝑐) ∈ 𝒫 𝑥)
2928fmpttd 6889 . . . . . . . . 9 (𝑎 ⊆ (ACS‘𝑥) → (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)):𝒫 𝑥⟶𝒫 𝑥)
30 fssxp 6532 . . . . . . . . 9 ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)):𝒫 𝑥⟶𝒫 𝑥 → (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) ⊆ (𝒫 𝑥 × 𝒫 𝑥))
3129, 30syl 17 . . . . . . . 8 (𝑎 ⊆ (ACS‘𝑥) → (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) ⊆ (𝒫 𝑥 × 𝒫 𝑥))
32 vpwex 5244 . . . . . . . . 9 𝒫 𝑥 ∈ V
3332, 32xpex 7494 . . . . . . . 8 (𝒫 𝑥 × 𝒫 𝑥) ∈ V
34 ssexg 5191 . . . . . . . 8 (((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) ⊆ (𝒫 𝑥 × 𝒫 𝑥) ∧ (𝒫 𝑥 × 𝒫 𝑥) ∈ V) → (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) ∈ V)
3531, 33, 34sylancl 589 . . . . . . 7 (𝑎 ⊆ (ACS‘𝑥) → (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) ∈ V)
3619adantlr 715 . . . . . . . . . . . . 13 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑑𝑎) → 𝑑 ∈ (ACS‘𝑥))
37 elpwi 4497 . . . . . . . . . . . . . 14 (𝑏 ∈ 𝒫 𝑥𝑏𝑥)
3837ad2antlr 727 . . . . . . . . . . . . 13 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑑𝑎) → 𝑏𝑥)
3921acsfiel2 17029 . . . . . . . . . . . . 13 ((𝑑 ∈ (ACS‘𝑥) ∧ 𝑏𝑥) → (𝑏𝑑 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin)((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
4036, 38, 39syl2anc 587 . . . . . . . . . . . 12 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑑𝑎) → (𝑏𝑑 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin)((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
4140ralbidva 3108 . . . . . . . . . . 11 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → (∀𝑑𝑎 𝑏𝑑 ↔ ∀𝑑𝑎𝑒 ∈ (𝒫 𝑏 ∩ Fin)((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
42 iunss 4931 . . . . . . . . . . . . 13 ( 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏 ↔ ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏)
4342ralbii 3080 . . . . . . . . . . . 12 (∀𝑒 ∈ (𝒫 𝑏 ∩ Fin) 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin)∀𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏)
44 ralcom 3258 . . . . . . . . . . . 12 (∀𝑒 ∈ (𝒫 𝑏 ∩ Fin)∀𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏 ↔ ∀𝑑𝑎𝑒 ∈ (𝒫 𝑏 ∩ Fin)((mrCls‘𝑑)‘𝑒) ⊆ 𝑏)
4543, 44bitri 278 . . . . . . . . . . 11 (∀𝑒 ∈ (𝒫 𝑏 ∩ Fin) 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏 ↔ ∀𝑑𝑎𝑒 ∈ (𝒫 𝑏 ∩ Fin)((mrCls‘𝑑)‘𝑒) ⊆ 𝑏)
4641, 45bitr4di 292 . . . . . . . . . 10 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → (∀𝑑𝑎 𝑏𝑑 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin) 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
47 elrint2 4880 . . . . . . . . . . 11 (𝑏 ∈ 𝒫 𝑥 → (𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ∀𝑑𝑎 𝑏𝑑))
4847adantl 485 . . . . . . . . . 10 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → (𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ∀𝑑𝑎 𝑏𝑑))
49 funmpt 6377 . . . . . . . . . . . . 13 Fun (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))
50 funiunfv 7018 . . . . . . . . . . . . 13 (Fun (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → 𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) = ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)))
5149, 50ax-mp 5 . . . . . . . . . . . 12 𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) = ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin))
5251sseq1i 3905 . . . . . . . . . . 11 ( 𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) ⊆ 𝑏 ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏)
53 iunss 4931 . . . . . . . . . . . 12 ( 𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) ⊆ 𝑏 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) ⊆ 𝑏)
54 eqid 2738 . . . . . . . . . . . . . . 15 (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))
55 fveq2 6674 . . . . . . . . . . . . . . . 16 (𝑐 = 𝑒 → ((mrCls‘𝑑)‘𝑐) = ((mrCls‘𝑑)‘𝑒))
5655iuneq2d 4910 . . . . . . . . . . . . . . 15 (𝑐 = 𝑒 𝑑𝑎 ((mrCls‘𝑑)‘𝑐) = 𝑑𝑎 ((mrCls‘𝑑)‘𝑒))
57 inss1 4119 . . . . . . . . . . . . . . . . 17 (𝒫 𝑏 ∩ Fin) ⊆ 𝒫 𝑏
5837sspwd 4503 . . . . . . . . . . . . . . . . . 18 (𝑏 ∈ 𝒫 𝑥 → 𝒫 𝑏 ⊆ 𝒫 𝑥)
5958adantl 485 . . . . . . . . . . . . . . . . 17 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → 𝒫 𝑏 ⊆ 𝒫 𝑥)
6057, 59sstrid 3888 . . . . . . . . . . . . . . . 16 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → (𝒫 𝑏 ∩ Fin) ⊆ 𝒫 𝑥)
6160sselda 3877 . . . . . . . . . . . . . . 15 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑒 ∈ (𝒫 𝑏 ∩ Fin)) → 𝑒 ∈ 𝒫 𝑥)
6220, 21mrcssvd 16997 . . . . . . . . . . . . . . . . . . 19 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑑𝑎) → ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥)
6362ralrimiva 3096 . . . . . . . . . . . . . . . . . 18 (𝑎 ⊆ (ACS‘𝑥) → ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥)
6463ad2antrr 726 . . . . . . . . . . . . . . . . 17 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑒 ∈ (𝒫 𝑏 ∩ Fin)) → ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥)
65 iunss 4931 . . . . . . . . . . . . . . . . 17 ( 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥 ↔ ∀𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥)
6664, 65sylibr 237 . . . . . . . . . . . . . . . 16 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑒 ∈ (𝒫 𝑏 ∩ Fin)) → 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥)
67 ssexg 5191 . . . . . . . . . . . . . . . 16 (( 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑥𝑥 ∈ V) → 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ∈ V)
6866, 11, 67sylancl 589 . . . . . . . . . . . . . . 15 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑒 ∈ (𝒫 𝑏 ∩ Fin)) → 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ∈ V)
6954, 56, 61, 68fvmptd3 6798 . . . . . . . . . . . . . 14 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑒 ∈ (𝒫 𝑏 ∩ Fin)) → ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) = 𝑑𝑎 ((mrCls‘𝑑)‘𝑒))
7069sseq1d 3908 . . . . . . . . . . . . 13 (((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) ∧ 𝑒 ∈ (𝒫 𝑏 ∩ Fin)) → (((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) ⊆ 𝑏 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
7170ralbidva 3108 . . . . . . . . . . . 12 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → (∀𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) ⊆ 𝑏 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin) 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
7253, 71syl5bb 286 . . . . . . . . . . 11 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → ( 𝑒 ∈ (𝒫 𝑏 ∩ Fin)((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐))‘𝑒) ⊆ 𝑏 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin) 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
7352, 72bitr3id 288 . . . . . . . . . 10 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → ( ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏 ↔ ∀𝑒 ∈ (𝒫 𝑏 ∩ Fin) 𝑑𝑎 ((mrCls‘𝑑)‘𝑒) ⊆ 𝑏))
7446, 48, 733bitr4d 314 . . . . . . . . 9 ((𝑎 ⊆ (ACS‘𝑥) ∧ 𝑏 ∈ 𝒫 𝑥) → (𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏))
7574ralrimiva 3096 . . . . . . . 8 (𝑎 ⊆ (ACS‘𝑥) → ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏))
7629, 75jca 515 . . . . . . 7 (𝑎 ⊆ (ACS‘𝑥) → ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)):𝒫 𝑥⟶𝒫 𝑥 ∧ ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏)))
77 feq1 6485 . . . . . . . 8 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → (𝑓:𝒫 𝑥⟶𝒫 𝑥 ↔ (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)):𝒫 𝑥⟶𝒫 𝑥))
78 imaeq1 5898 . . . . . . . . . . . 12 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → (𝑓 “ (𝒫 𝑏 ∩ Fin)) = ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)))
7978unieqd 4810 . . . . . . . . . . 11 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → (𝑓 “ (𝒫 𝑏 ∩ Fin)) = ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)))
8079sseq1d 3908 . . . . . . . . . 10 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → ( (𝑓 “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏 ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏))
8180bibi2d 346 . . . . . . . . 9 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → ((𝑏 ∈ (𝒫 𝑥 𝑎) ↔ (𝑓 “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏) ↔ (𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏)))
8281ralbidv 3109 . . . . . . . 8 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → (∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ (𝑓 “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏) ↔ ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏)))
8377, 82anbi12d 634 . . . . . . 7 (𝑓 = (𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) → ((𝑓:𝒫 𝑥⟶𝒫 𝑥 ∧ ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ (𝑓 “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏)) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)):𝒫 𝑥⟶𝒫 𝑥 ∧ ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ ((𝑐 ∈ 𝒫 𝑥 𝑑𝑎 ((mrCls‘𝑑)‘𝑐)) “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏))))
8435, 76, 83spcedv 3502 . . . . . 6 (𝑎 ⊆ (ACS‘𝑥) → ∃𝑓(𝑓:𝒫 𝑥⟶𝒫 𝑥 ∧ ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ (𝑓 “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏)))
85 isacs 17025 . . . . . 6 ((𝒫 𝑥 𝑎) ∈ (ACS‘𝑥) ↔ ((𝒫 𝑥 𝑎) ∈ (Moore‘𝑥) ∧ ∃𝑓(𝑓:𝒫 𝑥⟶𝒫 𝑥 ∧ ∀𝑏 ∈ 𝒫 𝑥(𝑏 ∈ (𝒫 𝑥 𝑎) ↔ (𝑓 “ (𝒫 𝑏 ∩ Fin)) ⊆ 𝑏))))
8618, 84, 85sylanbrc 586 . . . . 5 (𝑎 ⊆ (ACS‘𝑥) → (𝒫 𝑥 𝑎) ∈ (ACS‘𝑥))
8786adantl 485 . . . 4 ((⊤ ∧ 𝑎 ⊆ (ACS‘𝑥)) → (𝒫 𝑥 𝑎) ∈ (ACS‘𝑥))
8810, 87ismred2 16977 . . 3 (⊤ → (ACS‘𝑥) ∈ (Moore‘𝒫 𝑥))
8988mptru 1549 . 2 (ACS‘𝑥) ∈ (Moore‘𝒫 𝑥)
904, 89vtoclg 3470 1 (𝑋𝑉 → (ACS‘𝑋) ∈ (Moore‘𝒫 𝑋))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 209  wa 399   = wceq 1542  wtru 1543  wex 1786  wcel 2114  wral 3053  Vcvv 3398  cin 3842  wss 3843  𝒫 cpw 4488   cuni 4796   cint 4836   ciun 4881  cmpt 5110   × cxp 5523  cima 5528  Fun wfun 6333  wf 6335  cfv 6339  Fincfn 8555  Moorecmre 16956  mrClscmrc 16957  ACScacs 16959
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2020  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2162  ax-12 2179  ax-ext 2710  ax-sep 5167  ax-nul 5174  ax-pow 5232  ax-pr 5296  ax-un 7479
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2075  df-mo 2540  df-eu 2570  df-clab 2717  df-cleq 2730  df-clel 2811  df-nfc 2881  df-ne 2935  df-ral 3058  df-rex 3059  df-rab 3062  df-v 3400  df-sbc 3681  df-csb 3791  df-dif 3846  df-un 3848  df-in 3850  df-ss 3860  df-nul 4212  df-if 4415  df-pw 4490  df-sn 4517  df-pr 4519  df-op 4523  df-uni 4797  df-int 4837  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5429  df-xp 5531  df-rel 5532  df-cnv 5533  df-co 5534  df-dm 5535  df-rn 5536  df-res 5537  df-ima 5538  df-iota 6297  df-fun 6341  df-fn 6342  df-f 6343  df-fv 6347  df-mre 16960  df-mrc 16961  df-acs 16963
This theorem is referenced by:  acsfn1  17035  acsfn1c  17036  acsfn2  17037  submacs  18107  subgacs  18431  nsgacs  18432  acsfn1p  19697  subrgacs  19698  sdrgacs  19699  lssacs  19858
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