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Theorem cnpwstotbnd 38731
Description: A subset of 𝐴↑𝐼, where 𝐴 ⊆ ℂ, is totally bounded iff it is bounded. (Contributed by Mario Carneiro, 14-Sep-2015.)
Hypotheses
Ref Expression
cnpwstotbnd.y 𝑌 = ((ℂfld ↾s 𝐴) ↑s 𝐼)
cnpwstotbnd.d 𝐷 = ((dist‘𝑌) ↾ (𝑋 × 𝑋))
Assertion
Ref Expression
cnpwstotbnd ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (𝐷 ∈ (TotBnd‘𝑋) ↔ 𝐷 ∈ (Bnd‘𝑋)))

Proof of Theorem cnpwstotbnd
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2761 . . 3 ((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)})) = ((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))
2 eqid 2761 . . 3 (Base‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) = (Base‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)})))
3 eqid 2761 . . 3 (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) = (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥))
4 eqid 2761 . . 3 ((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) = ((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥))))
5 eqid 2761 . . 3 (dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) = (dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)})))
6 fvexd 6900 . . 3 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (Scalar‘(ℂfld ↾s 𝐴)) ∈ V)
7 simpr 490 . . 3 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → 𝐼 ∈ Fin)
8 ovex 7453 . . . 4 (ℂfld ↾s 𝐴) ∈ V
9 fnconstg 6770 . . . 4 ((ℂfld ↾s 𝐴) ∈ V → (𝐼 × {(ℂfld ↾s 𝐴)}) Fn 𝐼)
108, 9mp1i 14 . . 3 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (𝐼 × {(ℂfld ↾s 𝐴)}) Fn 𝐼)
11 eqid 2761 . . 3 ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)) = ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋))
12 cnfldms 25094 . . . . . 6 ℂfld ∈ MetSp
13 cnex 11281 . . . . . . . 8 ℂ ∈ V
1413ssex 5282 . . . . . . 7 (𝐴 ⊆ ℂ → 𝐴 ∈ V)
1514ad2antrr 739 . . . . . 6 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → 𝐴 ∈ V)
16 ressms 24845 . . . . . 6 ((ℂfld ∈ MetSp ∧ 𝐴 ∈ V) → (ℂfld ↾s 𝐴) ∈ MetSp)
1712, 15, 16sylancr 599 . . . . 5 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (ℂfld ↾s 𝐴) ∈ MetSp)
18 eqid 2761 . . . . . 6 (Base‘(ℂfld ↾s 𝐴)) = (Base‘(ℂfld ↾s 𝐴))
19 eqid 2761 . . . . . 6 ((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) = ((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴))))
2018, 19msmet 24776 . . . . 5 ((ℂfld ↾s 𝐴) ∈ MetSp → ((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ∈ (Met‘(Base‘(ℂfld ↾s 𝐴))))
2117, 20syl 18 . . . 4 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ∈ (Met‘(Base‘(ℂfld ↾s 𝐴))))
228fvconst2 7210 . . . . . . 7 (𝑥 ∈ 𝐼 → ((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥) = (ℂfld ↾s 𝐴))
2322adantl 487 . . . . . 6 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥) = (ℂfld ↾s 𝐴))
2423fveq2d 6889 . . . . 5 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) = (dist‘(ℂfld ↾s 𝐴)))
2523fveq2d 6889 . . . . . 6 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) = (Base‘(ℂfld ↾s 𝐴)))
2625sqxpeqd 5683 . . . . 5 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥))) = ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴))))
2724, 26reseq12d 5971 . . . 4 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) = ((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))))
2825fveq2d 6889 . . . 4 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (Met‘(Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥))) = (Met‘(Base‘(ℂfld ↾s 𝐴))))
2921, 27, 283eltr4d 2876 . . 3 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) ∈ (Met‘(Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥))))
30 totbndbnd 38723 . . . . . 6 ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) → (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦))
31 eqid 2761 . . . . . . . . . . 11 (ℂfld ↾s 𝐴) = (ℂfld ↾s 𝐴)
32 cnfldbas 21682 . . . . . . . . . . 11 ℂ = (Base‘ℂfld)
3331, 32ressbas2 17416 . . . . . . . . . 10 (𝐴 ⊆ ℂ → 𝐴 = (Base‘(ℂfld ↾s 𝐴)))
3433ad2antrr 739 . . . . . . . . 9 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → 𝐴 = (Base‘(ℂfld ↾s 𝐴)))
3534fveq2d 6889 . . . . . . . 8 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (Met‘𝐴) = (Met‘(Base‘(ℂfld ↾s 𝐴))))
3621, 35eleqtrrd 2864 . . . . . . 7 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ∈ (Met‘𝐴))
37 eqid 2761 . . . . . . . . 9 (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) = (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦))
3837bnd2lem 38725 . . . . . . . 8 ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ∈ (Met‘𝐴) ∧ (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)) → 𝑦 ⊆ 𝐴)
3938ex 418 . . . . . . 7 (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ∈ (Met‘𝐴) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦) → 𝑦 ⊆ 𝐴))
4036, 39syl 18 . . . . . 6 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦) → 𝑦 ⊆ 𝐴))
4130, 40syl5 35 . . . . 5 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) → 𝑦 ⊆ 𝐴))
42 eqid 2761 . . . . . . . . 9 ((abs ∘ − ) ↾ (𝑦 × 𝑦)) = ((abs ∘ − ) ↾ (𝑦 × 𝑦))
4342cntotbnd 38730 . . . . . . . 8 (((abs ∘ − ) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ ((abs ∘ − ) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦))
4443a1i 11 . . . . . . 7 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → (((abs ∘ − ) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ ((abs ∘ − ) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)))
4534sseq2d 3963 . . . . . . . . . . . 12 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (𝑦 ⊆ 𝐴 ↔ 𝑦 ⊆ (Base‘(ℂfld ↾s 𝐴))))
4645biimpa 482 . . . . . . . . . . 11 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → 𝑦 ⊆ (Base‘(ℂfld ↾s 𝐴)))
47 xpss12 5666 . . . . . . . . . . 11 ((𝑦 ⊆ (Base‘(ℂfld ↾s 𝐴)) ∧ 𝑦 ⊆ (Base‘(ℂfld ↾s 𝐴))) → (𝑦 × 𝑦) ⊆ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴))))
4846, 46, 47syl2anc 596 . . . . . . . . . 10 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → (𝑦 × 𝑦) ⊆ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴))))
4948resabs1d 5999 . . . . . . . . 9 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) = ((dist‘(ℂfld ↾s 𝐴)) ↾ (𝑦 × 𝑦)))
5015adantr 486 . . . . . . . . . . 11 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → 𝐴 ∈ V)
51 cnfldds 21690 . . . . . . . . . . . 12 (abs ∘ − ) = (dist‘ℂfld)
5231, 51ressds 17581 . . . . . . . . . . 11 (𝐴 ∈ V → (abs ∘ − ) = (dist‘(ℂfld ↾s 𝐴)))
5350, 52syl 18 . . . . . . . . . 10 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → (abs ∘ − ) = (dist‘(ℂfld ↾s 𝐴)))
5453reseq1d 5969 . . . . . . . . 9 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → ((abs ∘ − ) ↾ (𝑦 × 𝑦)) = ((dist‘(ℂfld ↾s 𝐴)) ↾ (𝑦 × 𝑦)))
5549, 54eqtr4d 2799 . . . . . . . 8 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) = ((abs ∘ − ) ↾ (𝑦 × 𝑦)))
5655eleq1d 2846 . . . . . . 7 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ ((abs ∘ − ) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦)))
5755eleq1d 2846 . . . . . . 7 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦) ↔ ((abs ∘ − ) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)))
5844, 56, 573bitr4d 314 . . . . . 6 ((((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) ∧ 𝑦 ⊆ 𝐴) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)))
5958ex 418 . . . . 5 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (𝑦 ⊆ 𝐴 → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦))))
6041, 40, 59pm5.21ndd 382 . . . 4 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)))
6127reseq1d 5969 . . . . 5 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → (((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) ↾ (𝑦 × 𝑦)) = (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)))
6261eleq1d 2846 . . . 4 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦)))
6361eleq1d 2846 . . . 4 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦) ↔ (((dist‘(ℂfld ↾s 𝐴)) ↾ ((Base‘(ℂfld ↾s 𝐴)) × (Base‘(ℂfld ↾s 𝐴)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)))
6460, 62, 633bitr4d 314 . . 3 (((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) ∧ 𝑥 ∈ 𝐼) → ((((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) ↾ (𝑦 × 𝑦)) ∈ (TotBnd‘𝑦) ↔ (((dist‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) ↾ ((Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)) × (Base‘((𝐼 × {(ℂfld ↾s 𝐴)})‘𝑥)))) ↾ (𝑦 × 𝑦)) ∈ (Bnd‘𝑦)))
651, 2, 3, 4, 5, 6, 7, 10, 11, 29, 64prdsbnd2 38729 . 2 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)) ∈ (TotBnd‘𝑋) ↔ ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)) ∈ (Bnd‘𝑋)))
66 cnpwstotbnd.d . . . 4 𝐷 = ((dist‘𝑌) ↾ (𝑋 × 𝑋))
67 cnpwstotbnd.y . . . . . . . 8 𝑌 = ((ℂfld ↾s 𝐴) ↑s 𝐼)
68 eqid 2761 . . . . . . . 8 (Scalar‘(ℂfld ↾s 𝐴)) = (Scalar‘(ℂfld ↾s 𝐴))
6967, 68pwsval 17657 . . . . . . 7 (((ℂfld ↾s 𝐴) ∈ V ∧ 𝐼 ∈ Fin) → 𝑌 = ((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)})))
708, 7, 69sylancr 599 . . . . . 6 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → 𝑌 = ((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)})))
7170fveq2d 6889 . . . . 5 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (dist‘𝑌) = (dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))))
7271reseq1d 5969 . . . 4 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → ((dist‘𝑌) ↾ (𝑋 × 𝑋)) = ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)))
7366, 72eqtrid 2808 . . 3 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → 𝐷 = ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)))
7473eleq1d 2846 . 2 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (𝐷 ∈ (TotBnd‘𝑋) ↔ ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)) ∈ (TotBnd‘𝑋)))
7573eleq1d 2846 . 2 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (𝐷 ∈ (Bnd‘𝑋) ↔ ((dist‘((Scalar‘(ℂfld ↾s 𝐴))Xs(𝐼 × {(ℂfld ↾s 𝐴)}))) ↾ (𝑋 × 𝑋)) ∈ (Bnd‘𝑋)))
7665, 74, 753bitr4d 314 1 ((𝐴 ⊆ ℂ ∧ 𝐼 ∈ Fin) → (𝐷 ∈ (TotBnd‘𝑋) ↔ 𝐷 ∈ (Bnd‘𝑋)))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570   ∈ wcel 2145  Vcvv 3451   ⊆ wss 3899  {csn 4584   × cxp 5649   ↾ cres 5653   ∘ ccom 5655   Fn wfn 6533  ‘cfv 6538  (class class class)co 7420  Fincfn 8973  ℂcc 11198   − cmin 11541  abscabs 15401  Basecbs 17387   ↾s cress 17408  Scalarcsca 17431  distcds 17437  Xscprds 17616   ↑s cpws 17617  Metcmet 21664  ℂfldccnfld 21678  MetSpcms 24637  TotBndctotbnd 38700  Bndcbnd 38701
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7751  ax-cnex 11256  ax-resscn 11257  ax-1cn 11258  ax-icn 11259  ax-addcl 11260  ax-addrcl 11261  ax-mulcl 11262  ax-mulrcl 11263  ax-mulcom 11264  ax-addass 11265  ax-mulass 11266  ax-distr 11267  ax-i2m1 11268  ax-1ne0 11269  ax-1rid 11270  ax-rnegex 11271  ax-rrecex 11272  ax-cnre 11273  ax-pre-lttri 11274  ax-pre-lttrn 11275  ax-pre-ltadd 11276  ax-pre-mulgt0 11277  ax-pre-sup 11278
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-nel 3063  df-ral 3078  df-rex 3088  df-rmo 3366  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-tp 4589  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-om 7878  df-1st 8001  df-2nd 8002  df-frecs 8299  df-wrecs 8330  df-recs 8379  df-rdg 8418  df-1o 8476  df-er 8717  df-ec 8719  df-map 8849  df-pm 8850  df-ixp 8926  df-en 8974  df-dom 8975  df-sdom 8976  df-fin 8977  df-sup 9434  df-inf 9435  df-pnf 11345  df-mnf 11346  df-xr 11347  df-ltxr 11348  df-le 11349  df-sub 11543  df-neg 11544  df-div 11974  df-nn 12336  df-2 12405  df-3 12406  df-4 12407  df-5 12408  df-6 12409  df-7 12410  df-8 12411  df-9 12412  df-n0 12607  df-z 12694  df-dec 12815  df-uz 12966  df-q 13076  df-rp 13121  df-xneg 13241  df-xadd 13242  df-xmul 13243  df-icc 13483  df-fz 13640  df-fl 13932  df-seq 14145  df-exp 14205  df-cj 15266  df-re 15267  df-im 15268  df-sqrt 15402  df-abs 15403  df-gz 17108  df-struct 17325  df-sets 17342  df-slot 17360  df-ndx 17372  df-base 17388  df-ress 17409  df-plusg 17441  df-mulr 17442  df-starv 17443  df-sca 17444  df-vsca 17445  df-ip 17446  df-tset 17447  df-ple 17448  df-ds 17450  df-unif 17451  df-hom 17452  df-cco 17453  df-rest 17593  df-topn 17594  df-topgen 17614  df-prds 17618  df-pws 17620  df-psmet 21670  df-xmet 21671  df-met 21672  df-bl 21673  df-mopn 21674  df-cnfld 21679  df-top 23212  df-topon 23229  df-topsp 23251  df-bases 23264  df-xms 24639  df-ms 24640  df-totbnd 38702  df-bnd 38713
This theorem is used by:  rrntotbnd  38770
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