prdsvsca

Description: Scalar multiplication in a structure product. (Contributed by Stefan O'Rear, 5-Jan-2015) (Revised by Mario Carneiro, 15-Aug-2015) (Revised by Thierry Arnoux, 16-Jun-2019) (Revised by Zhi Wang, 18-Aug-2024)

	Ref	Expression
Hypotheses	prdsbas.p	⊢ 𝑃 = ( 𝑆 X_s 𝑅 )
	prdsbas.s	⊢ ( 𝜑 → 𝑆 ∈ 𝑉 )
	prdsbas.r	⊢ ( 𝜑 → 𝑅 ∈ 𝑊 )
	prdsbas.b	⊢ 𝐵 = ( Base ‘ 𝑃 )
	prdsbas.i	⊢ ( 𝜑 → dom 𝑅 = 𝐼 )
	prdsvsca.k	⊢ 𝐾 = ( Base ‘ 𝑆 )
	prdsvsca.m	⊢ · = ( ·_𝑠 ‘ 𝑃 )
Assertion	prdsvsca	⊢ ( 𝜑 → · = ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) )

Proof

Step	Hyp	Ref	Expression
1		prdsbas.p	⊢ 𝑃 = ( 𝑆 X_s 𝑅 )
2		prdsbas.s	⊢ ( 𝜑 → 𝑆 ∈ 𝑉 )
3		prdsbas.r	⊢ ( 𝜑 → 𝑅 ∈ 𝑊 )
4		prdsbas.b	⊢ 𝐵 = ( Base ‘ 𝑃 )
5		prdsbas.i	⊢ ( 𝜑 → dom 𝑅 = 𝐼 )
6		prdsvsca.k	⊢ 𝐾 = ( Base ‘ 𝑆 )
7		prdsvsca.m	⊢ · = ( ·_𝑠 ‘ 𝑃 )
8	1 2 3 4 5	prdsbas	⊢ ( 𝜑 → 𝐵 = X 𝑥 ∈ 𝐼 ( Base ‘ ( 𝑅 ‘ 𝑥 ) ) )
9		eqid	⊢ ( +_g ‘ 𝑃 ) = ( +_g ‘ 𝑃 )
10	1 2 3 4 5 9	prdsplusg	⊢ ( 𝜑 → ( +_g ‘ 𝑃 ) = ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( +_g ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) )
11		eqid	⊢ ( ._r ‘ 𝑃 ) = ( ._r ‘ 𝑃 )
12	1 2 3 4 5 11	prdsmulr	⊢ ( 𝜑 → ( ._r ‘ 𝑃 ) = ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ._r ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) )
13		eqidd	⊢ ( 𝜑 → ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) = ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) )
14		eqidd	⊢ ( 𝜑 → ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) = ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) )
15		eqidd	⊢ ( 𝜑 → ( ∏_t ‘ ( TopOpen ∘ 𝑅 ) ) = ( ∏_t ‘ ( TopOpen ∘ 𝑅 ) ) )
16		eqidd	⊢ ( 𝜑 → { ⟨ 𝑓 , 𝑔 ⟩ ∣ ( { 𝑓 , 𝑔 } ⊆ 𝐵 ∧ ∀ 𝑥 ∈ 𝐼 ( 𝑓 ‘ 𝑥 ) ( le ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) } = { ⟨ 𝑓 , 𝑔 ⟩ ∣ ( { 𝑓 , 𝑔 } ⊆ 𝐵 ∧ ∀ 𝑥 ∈ 𝐼 ( 𝑓 ‘ 𝑥 ) ( le ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) } )
17		eqidd	⊢ ( 𝜑 → ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ sup ( ( ran ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( dist ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∪ { 0 } ) , ℝ^* , < ) ) = ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ sup ( ( ran ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( dist ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∪ { 0 } ) , ℝ^* , < ) ) )
18		eqidd	⊢ ( 𝜑 → ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) = ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) )
19		eqidd	⊢ ( 𝜑 → ( 𝑎 ∈ ( 𝐵 × 𝐵 ) , 𝑐 ∈ 𝐵 ↦ ( 𝑑 ∈ ( ( 2^nd ‘ 𝑎 ) ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) 𝑐 ) , 𝑒 ∈ ( ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ‘ 𝑎 ) ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑑 ‘ 𝑥 ) ( ⟨ ( ( 1^st ‘ 𝑎 ) ‘ 𝑥 ) , ( ( 2^nd ‘ 𝑎 ) ‘ 𝑥 ) ⟩ ( comp ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑐 ‘ 𝑥 ) ) ( 𝑒 ‘ 𝑥 ) ) ) ) ) = ( 𝑎 ∈ ( 𝐵 × 𝐵 ) , 𝑐 ∈ 𝐵 ↦ ( 𝑑 ∈ ( ( 2^nd ‘ 𝑎 ) ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) 𝑐 ) , 𝑒 ∈ ( ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ‘ 𝑎 ) ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑑 ‘ 𝑥 ) ( ⟨ ( ( 1^st ‘ 𝑎 ) ‘ 𝑥 ) , ( ( 2^nd ‘ 𝑎 ) ‘ 𝑥 ) ⟩ ( comp ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑐 ‘ 𝑥 ) ) ( 𝑒 ‘ 𝑥 ) ) ) ) ) )
20	1 6 5 8 10 12 13 14 15 16 17 18 19 2 3	prdsval	⊢ ( 𝜑 → 𝑃 = ( ( { ⟨ ( Base ‘ ndx ) , 𝐵 ⟩ , ⟨ ( +_g ‘ ndx ) , ( +_g ‘ 𝑃 ) ⟩ , ⟨ ( ._r ‘ ndx ) , ( ._r ‘ 𝑃 ) ⟩ } ∪ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } ) ∪ ( { ⟨ ( TopSet ‘ ndx ) , ( ∏_t ‘ ( TopOpen ∘ 𝑅 ) ) ⟩ , ⟨ ( le ‘ ndx ) , { ⟨ 𝑓 , 𝑔 ⟩ ∣ ( { 𝑓 , 𝑔 } ⊆ 𝐵 ∧ ∀ 𝑥 ∈ 𝐼 ( 𝑓 ‘ 𝑥 ) ( le ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) } ⟩ , ⟨ ( dist ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ sup ( ( ran ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( dist ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∪ { 0 } ) , ℝ^* , < ) ) ⟩ } ∪ { ⟨ ( Hom ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ⟩ , ⟨ ( comp ‘ ndx ) , ( 𝑎 ∈ ( 𝐵 × 𝐵 ) , 𝑐 ∈ 𝐵 ↦ ( 𝑑 ∈ ( ( 2^nd ‘ 𝑎 ) ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) 𝑐 ) , 𝑒 ∈ ( ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ‘ 𝑎 ) ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑑 ‘ 𝑥 ) ( ⟨ ( ( 1^st ‘ 𝑎 ) ‘ 𝑥 ) , ( ( 2^nd ‘ 𝑎 ) ‘ 𝑥 ) ⟩ ( comp ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑐 ‘ 𝑥 ) ) ( 𝑒 ‘ 𝑥 ) ) ) ) ) ⟩ } ) ) )
21		vscaid	⊢ ·_𝑠 = Slot ( ·_𝑠 ‘ ndx )
22		ovssunirn	⊢ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ⊆ ∪ ran ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) )
23	21	strfvss	⊢ ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ∪ ran ( 𝑅 ‘ 𝑥 )
24		fvssunirn	⊢ ( 𝑅 ‘ 𝑥 ) ⊆ ∪ ran 𝑅
25		rnss	⊢ ( ( 𝑅 ‘ 𝑥 ) ⊆ ∪ ran 𝑅 → ran ( 𝑅 ‘ 𝑥 ) ⊆ ran ∪ ran 𝑅 )
26		uniss	⊢ ( ran ( 𝑅 ‘ 𝑥 ) ⊆ ran ∪ ran 𝑅 → ∪ ran ( 𝑅 ‘ 𝑥 ) ⊆ ∪ ran ∪ ran 𝑅 )
27	24 25 26	mp2b	⊢ ∪ ran ( 𝑅 ‘ 𝑥 ) ⊆ ∪ ran ∪ ran 𝑅
28	23 27	sstri	⊢ ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ∪ ran ∪ ran 𝑅
29		rnss	⊢ ( ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ∪ ran ∪ ran 𝑅 → ran ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ran ∪ ran ∪ ran 𝑅 )
30		uniss	⊢ ( ran ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ran ∪ ran ∪ ran 𝑅 → ∪ ran ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ∪ ran ∪ ran ∪ ran 𝑅 )
31	28 29 30	mp2b	⊢ ∪ ran ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ⊆ ∪ ran ∪ ran ∪ ran 𝑅
32	22 31	sstri	⊢ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ⊆ ∪ ran ∪ ran ∪ ran 𝑅
33		ovex	⊢ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ∈ V
34	33	elpw	⊢ ( ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ∈ 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↔ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ⊆ ∪ ran ∪ ran ∪ ran 𝑅 )
35	32 34	mpbir	⊢ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ∈ 𝒫 ∪ ran ∪ ran ∪ ran 𝑅
36	35	a1i	⊢ ( ( 𝜑 ∧ 𝑥 ∈ 𝐼 ) → ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ∈ 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 )
37	36	fmpttd	⊢ ( 𝜑 → ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) : 𝐼 ⟶ 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 )
38		rnexg	⊢ ( 𝑅 ∈ 𝑊 → ran 𝑅 ∈ V )
39		uniexg	⊢ ( ran 𝑅 ∈ V → ∪ ran 𝑅 ∈ V )
40	3 38 39	3syl	⊢ ( 𝜑 → ∪ ran 𝑅 ∈ V )
41		rnexg	⊢ ( ∪ ran 𝑅 ∈ V → ran ∪ ran 𝑅 ∈ V )
42		uniexg	⊢ ( ran ∪ ran 𝑅 ∈ V → ∪ ran ∪ ran 𝑅 ∈ V )
43	40 41 42	3syl	⊢ ( 𝜑 → ∪ ran ∪ ran 𝑅 ∈ V )
44		rnexg	⊢ ( ∪ ran ∪ ran 𝑅 ∈ V → ran ∪ ran ∪ ran 𝑅 ∈ V )
45		uniexg	⊢ ( ran ∪ ran ∪ ran 𝑅 ∈ V → ∪ ran ∪ ran ∪ ran 𝑅 ∈ V )
46		pwexg	⊢ ( ∪ ran ∪ ran ∪ ran 𝑅 ∈ V → 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ∈ V )
47	43 44 45 46	4syl	⊢ ( 𝜑 → 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ∈ V )
48	3	dmexd	⊢ ( 𝜑 → dom 𝑅 ∈ V )
49	5 48	eqeltrrd	⊢ ( 𝜑 → 𝐼 ∈ V )
50	47 49	elmapd	⊢ ( 𝜑 → ( ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∈ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) ↔ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) : 𝐼 ⟶ 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ) )
51	37 50	mpbird	⊢ ( 𝜑 → ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∈ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) )
52	51	ralrimivw	⊢ ( 𝜑 → ∀ 𝑔 ∈ 𝐵 ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∈ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) )
53	52	ralrimivw	⊢ ( 𝜑 → ∀ 𝑓 ∈ 𝐾 ∀ 𝑔 ∈ 𝐵 ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∈ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) )
54		eqid	⊢ ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) = ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) )
55	54	fmpo	⊢ ( ∀ 𝑓 ∈ 𝐾 ∀ 𝑔 ∈ 𝐵 ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∈ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) ↔ ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) : ( 𝐾 × 𝐵 ) ⟶ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) )
56	53 55	sylib	⊢ ( 𝜑 → ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) : ( 𝐾 × 𝐵 ) ⟶ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) )
57	6	fvexi	⊢ 𝐾 ∈ V
58	4	fvexi	⊢ 𝐵 ∈ V
59	57 58	xpex	⊢ ( 𝐾 × 𝐵 ) ∈ V
60		ovex	⊢ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) ∈ V
61		fex2	⊢ ( ( ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) : ( 𝐾 × 𝐵 ) ⟶ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) ∧ ( 𝐾 × 𝐵 ) ∈ V ∧ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) ∈ V ) → ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ∈ V )
62	59 60 61	mp3an23	⊢ ( ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) : ( 𝐾 × 𝐵 ) ⟶ ( 𝒫 ∪ ran ∪ ran ∪ ran 𝑅 ↑_m 𝐼 ) → ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ∈ V )
63	56 62	syl	⊢ ( 𝜑 → ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ∈ V )
64		snsstp2	⊢ { ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ } ⊆ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ }
65		ssun2	⊢ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } ⊆ ( { ⟨ ( Base ‘ ndx ) , 𝐵 ⟩ , ⟨ ( +_g ‘ ndx ) , ( +_g ‘ 𝑃 ) ⟩ , ⟨ ( ._r ‘ ndx ) , ( ._r ‘ 𝑃 ) ⟩ } ∪ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } )
66	64 65	sstri	⊢ { ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ } ⊆ ( { ⟨ ( Base ‘ ndx ) , 𝐵 ⟩ , ⟨ ( +_g ‘ ndx ) , ( +_g ‘ 𝑃 ) ⟩ , ⟨ ( ._r ‘ ndx ) , ( ._r ‘ 𝑃 ) ⟩ } ∪ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } )
67		ssun1	⊢ ( { ⟨ ( Base ‘ ndx ) , 𝐵 ⟩ , ⟨ ( +_g ‘ ndx ) , ( +_g ‘ 𝑃 ) ⟩ , ⟨ ( ._r ‘ ndx ) , ( ._r ‘ 𝑃 ) ⟩ } ∪ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } ) ⊆ ( ( { ⟨ ( Base ‘ ndx ) , 𝐵 ⟩ , ⟨ ( +_g ‘ ndx ) , ( +_g ‘ 𝑃 ) ⟩ , ⟨ ( ._r ‘ ndx ) , ( ._r ‘ 𝑃 ) ⟩ } ∪ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } ) ∪ ( { ⟨ ( TopSet ‘ ndx ) , ( ∏_t ‘ ( TopOpen ∘ 𝑅 ) ) ⟩ , ⟨ ( le ‘ ndx ) , { ⟨ 𝑓 , 𝑔 ⟩ ∣ ( { 𝑓 , 𝑔 } ⊆ 𝐵 ∧ ∀ 𝑥 ∈ 𝐼 ( 𝑓 ‘ 𝑥 ) ( le ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) } ⟩ , ⟨ ( dist ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ sup ( ( ran ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( dist ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∪ { 0 } ) , ℝ^* , < ) ) ⟩ } ∪ { ⟨ ( Hom ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ⟩ , ⟨ ( comp ‘ ndx ) , ( 𝑎 ∈ ( 𝐵 × 𝐵 ) , 𝑐 ∈ 𝐵 ↦ ( 𝑑 ∈ ( ( 2^nd ‘ 𝑎 ) ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) 𝑐 ) , 𝑒 ∈ ( ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ‘ 𝑎 ) ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑑 ‘ 𝑥 ) ( ⟨ ( ( 1^st ‘ 𝑎 ) ‘ 𝑥 ) , ( ( 2^nd ‘ 𝑎 ) ‘ 𝑥 ) ⟩ ( comp ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑐 ‘ 𝑥 ) ) ( 𝑒 ‘ 𝑥 ) ) ) ) ) ⟩ } ) )
68	66 67	sstri	⊢ { ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ } ⊆ ( ( { ⟨ ( Base ‘ ndx ) , 𝐵 ⟩ , ⟨ ( +_g ‘ ndx ) , ( +_g ‘ 𝑃 ) ⟩ , ⟨ ( ._r ‘ ndx ) , ( ._r ‘ 𝑃 ) ⟩ } ∪ { ⟨ ( Scalar ‘ ndx ) , 𝑆 ⟩ , ⟨ ( ·_𝑠 ‘ ndx ) , ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ⟩ , ⟨ ( ·_𝑖 ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ ( 𝑆 Σ_g ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( ·_𝑖 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) ) ⟩ } ) ∪ ( { ⟨ ( TopSet ‘ ndx ) , ( ∏_t ‘ ( TopOpen ∘ 𝑅 ) ) ⟩ , ⟨ ( le ‘ ndx ) , { ⟨ 𝑓 , 𝑔 ⟩ ∣ ( { 𝑓 , 𝑔 } ⊆ 𝐵 ∧ ∀ 𝑥 ∈ 𝐼 ( 𝑓 ‘ 𝑥 ) ( le ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) } ⟩ , ⟨ ( dist ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ sup ( ( ran ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑓 ‘ 𝑥 ) ( dist ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ∪ { 0 } ) , ℝ^* , < ) ) ⟩ } ∪ { ⟨ ( Hom ‘ ndx ) , ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ⟩ , ⟨ ( comp ‘ ndx ) , ( 𝑎 ∈ ( 𝐵 × 𝐵 ) , 𝑐 ∈ 𝐵 ↦ ( 𝑑 ∈ ( ( 2^nd ‘ 𝑎 ) ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) 𝑐 ) , 𝑒 ∈ ( ( 𝑓 ∈ 𝐵 , 𝑔 ∈ 𝐵 ↦ X 𝑥 ∈ 𝐼 ( ( 𝑓 ‘ 𝑥 ) ( Hom ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ‘ 𝑎 ) ↦ ( 𝑥 ∈ 𝐼 ↦ ( ( 𝑑 ‘ 𝑥 ) ( ⟨ ( ( 1^st ‘ 𝑎 ) ‘ 𝑥 ) , ( ( 2^nd ‘ 𝑎 ) ‘ 𝑥 ) ⟩ ( comp ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑐 ‘ 𝑥 ) ) ( 𝑒 ‘ 𝑥 ) ) ) ) ) ⟩ } ) )
69	20 7 21 63 68	prdsbaslem	⊢ ( 𝜑 → · = ( 𝑓 ∈ 𝐾 , 𝑔 ∈ 𝐵 ↦ ( 𝑥 ∈ 𝐼 ↦ ( 𝑓 ( ·_𝑠 ‘ ( 𝑅 ‘ 𝑥 ) ) ( 𝑔 ‘ 𝑥 ) ) ) ) )

Metamath Proof Explorer

Theorem prdsvsca

Proof