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Theorem xkoco2cn 21371
 Description: If 𝐹 is a continuous function, then 𝑔 ↦ 𝐹 ∘ 𝑔 is a continuous function on function spaces. (Contributed by Mario Carneiro, 23-Mar-2015.)
Hypotheses
Ref Expression
xkoco2cn.r (𝜑𝑅 ∈ Top)
xkoco2cn.f (𝜑𝐹 ∈ (𝑆 Cn 𝑇))
Assertion
Ref Expression
xkoco2cn (𝜑 → (𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) ∈ ((𝑆 ^ko 𝑅) Cn (𝑇 ^ko 𝑅)))
Distinct variable groups:   𝜑,𝑔   𝑅,𝑔   𝑆,𝑔   𝑇,𝑔   𝑔,𝐹

Proof of Theorem xkoco2cn
Dummy variables 𝑘 𝑣 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpr 477 . . . 4 ((𝜑𝑔 ∈ (𝑅 Cn 𝑆)) → 𝑔 ∈ (𝑅 Cn 𝑆))
2 xkoco2cn.f . . . . 5 (𝜑𝐹 ∈ (𝑆 Cn 𝑇))
32adantr 481 . . . 4 ((𝜑𝑔 ∈ (𝑅 Cn 𝑆)) → 𝐹 ∈ (𝑆 Cn 𝑇))
4 cnco 20980 . . . 4 ((𝑔 ∈ (𝑅 Cn 𝑆) ∧ 𝐹 ∈ (𝑆 Cn 𝑇)) → (𝐹𝑔) ∈ (𝑅 Cn 𝑇))
51, 3, 4syl2anc 692 . . 3 ((𝜑𝑔 ∈ (𝑅 Cn 𝑆)) → (𝐹𝑔) ∈ (𝑅 Cn 𝑇))
6 eqid 2621 . . 3 (𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) = (𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔))
75, 6fmptd 6340 . 2 (𝜑 → (𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)):(𝑅 Cn 𝑆)⟶(𝑅 Cn 𝑇))
8 eqid 2621 . . . . . 6 𝑅 = 𝑅
9 eqid 2621 . . . . . 6 {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp} = {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}
10 eqid 2621 . . . . . 6 (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) = (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣})
118, 9, 10xkobval 21299 . . . . 5 ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) = {𝑥 ∣ ∃𝑘 ∈ 𝒫 𝑅𝑣𝑇 ((𝑅t 𝑘) ∈ Comp ∧ 𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣})}
1211abeq2i 2732 . . . 4 (𝑥 ∈ ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) ↔ ∃𝑘 ∈ 𝒫 𝑅𝑣𝑇 ((𝑅t 𝑘) ∈ Comp ∧ 𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}))
13 simpr 477 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → 𝑔 ∈ (𝑅 Cn 𝑆))
142ad3antrrr 765 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → 𝐹 ∈ (𝑆 Cn 𝑇))
1513, 14, 4syl2anc 692 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → (𝐹𝑔) ∈ (𝑅 Cn 𝑇))
16 imaeq1 5420 . . . . . . . . . . . . . 14 ( = (𝐹𝑔) → (𝑘) = ((𝐹𝑔) “ 𝑘))
17 imaco 5599 . . . . . . . . . . . . . 14 ((𝐹𝑔) “ 𝑘) = (𝐹 “ (𝑔𝑘))
1816, 17syl6eq 2671 . . . . . . . . . . . . 13 ( = (𝐹𝑔) → (𝑘) = (𝐹 “ (𝑔𝑘)))
1918sseq1d 3611 . . . . . . . . . . . 12 ( = (𝐹𝑔) → ((𝑘) ⊆ 𝑣 ↔ (𝐹 “ (𝑔𝑘)) ⊆ 𝑣))
2019elrab3 3347 . . . . . . . . . . 11 ((𝐹𝑔) ∈ (𝑅 Cn 𝑇) → ((𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} ↔ (𝐹 “ (𝑔𝑘)) ⊆ 𝑣))
2115, 20syl 17 . . . . . . . . . 10 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → ((𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} ↔ (𝐹 “ (𝑔𝑘)) ⊆ 𝑣))
22 eqid 2621 . . . . . . . . . . . . . . 15 𝑆 = 𝑆
23 eqid 2621 . . . . . . . . . . . . . . 15 𝑇 = 𝑇
2422, 23cnf 20960 . . . . . . . . . . . . . 14 (𝐹 ∈ (𝑆 Cn 𝑇) → 𝐹: 𝑆 𝑇)
252, 24syl 17 . . . . . . . . . . . . 13 (𝜑𝐹: 𝑆 𝑇)
2625ad3antrrr 765 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → 𝐹: 𝑆 𝑇)
27 ffun 6005 . . . . . . . . . . . 12 (𝐹: 𝑆 𝑇 → Fun 𝐹)
2826, 27syl 17 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → Fun 𝐹)
29 imassrn 5436 . . . . . . . . . . . . 13 (𝑔𝑘) ⊆ ran 𝑔
308, 22cnf 20960 . . . . . . . . . . . . . . 15 (𝑔 ∈ (𝑅 Cn 𝑆) → 𝑔: 𝑅 𝑆)
3113, 30syl 17 . . . . . . . . . . . . . 14 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → 𝑔: 𝑅 𝑆)
32 frn 6010 . . . . . . . . . . . . . 14 (𝑔: 𝑅 𝑆 → ran 𝑔 𝑆)
3331, 32syl 17 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → ran 𝑔 𝑆)
3429, 33syl5ss 3594 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → (𝑔𝑘) ⊆ 𝑆)
35 fdm 6008 . . . . . . . . . . . . 13 (𝐹: 𝑆 𝑇 → dom 𝐹 = 𝑆)
3626, 35syl 17 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → dom 𝐹 = 𝑆)
3734, 36sseqtr4d 3621 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → (𝑔𝑘) ⊆ dom 𝐹)
38 funimass3 6289 . . . . . . . . . . 11 ((Fun 𝐹 ∧ (𝑔𝑘) ⊆ dom 𝐹) → ((𝐹 “ (𝑔𝑘)) ⊆ 𝑣 ↔ (𝑔𝑘) ⊆ (𝐹𝑣)))
3928, 37, 38syl2anc 692 . . . . . . . . . 10 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → ((𝐹 “ (𝑔𝑘)) ⊆ 𝑣 ↔ (𝑔𝑘) ⊆ (𝐹𝑣)))
4021, 39bitrd 268 . . . . . . . . 9 ((((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) ∧ 𝑔 ∈ (𝑅 Cn 𝑆)) → ((𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} ↔ (𝑔𝑘) ⊆ (𝐹𝑣)))
4140rabbidva 3176 . . . . . . . 8 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}} = {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝑔𝑘) ⊆ (𝐹𝑣)})
42 xkoco2cn.r . . . . . . . . . 10 (𝜑𝑅 ∈ Top)
4342ad2antrr 761 . . . . . . . . 9 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → 𝑅 ∈ Top)
44 cntop1 20954 . . . . . . . . . . 11 (𝐹 ∈ (𝑆 Cn 𝑇) → 𝑆 ∈ Top)
452, 44syl 17 . . . . . . . . . 10 (𝜑𝑆 ∈ Top)
4645ad2antrr 761 . . . . . . . . 9 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → 𝑆 ∈ Top)
47 simplrl 799 . . . . . . . . . 10 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → 𝑘 ∈ 𝒫 𝑅)
4847elpwid 4141 . . . . . . . . 9 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → 𝑘 𝑅)
49 simpr 477 . . . . . . . . 9 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → (𝑅t 𝑘) ∈ Comp)
502ad2antrr 761 . . . . . . . . . 10 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → 𝐹 ∈ (𝑆 Cn 𝑇))
51 simplrr 800 . . . . . . . . . 10 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → 𝑣𝑇)
52 cnima 20979 . . . . . . . . . 10 ((𝐹 ∈ (𝑆 Cn 𝑇) ∧ 𝑣𝑇) → (𝐹𝑣) ∈ 𝑆)
5350, 51, 52syl2anc 692 . . . . . . . . 9 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → (𝐹𝑣) ∈ 𝑆)
548, 43, 46, 48, 49, 53xkoopn 21302 . . . . . . . 8 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝑔𝑘) ⊆ (𝐹𝑣)} ∈ (𝑆 ^ko 𝑅))
5541, 54eqeltrd 2698 . . . . . . 7 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}} ∈ (𝑆 ^ko 𝑅))
56 imaeq2 5421 . . . . . . . . 9 (𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) = ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}))
576mptpreima 5587 . . . . . . . . 9 ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) = {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}}
5856, 57syl6eq 2671 . . . . . . . 8 (𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) = {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}})
5958eleq1d 2683 . . . . . . 7 (𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} → (((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅) ↔ {𝑔 ∈ (𝑅 Cn 𝑆) ∣ (𝐹𝑔) ∈ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}} ∈ (𝑆 ^ko 𝑅)))
6055, 59syl5ibrcom 237 . . . . . 6 (((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) ∧ (𝑅t 𝑘) ∈ Comp) → (𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣} → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅)))
6160expimpd 628 . . . . 5 ((𝜑 ∧ (𝑘 ∈ 𝒫 𝑅𝑣𝑇)) → (((𝑅t 𝑘) ∈ Comp ∧ 𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅)))
6261rexlimdvva 3031 . . . 4 (𝜑 → (∃𝑘 ∈ 𝒫 𝑅𝑣𝑇 ((𝑅t 𝑘) ∈ Comp ∧ 𝑥 = { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅)))
6312, 62syl5bi 232 . . 3 (𝜑 → (𝑥 ∈ ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅)))
6463ralrimiv 2959 . 2 (𝜑 → ∀𝑥 ∈ ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣})((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅))
65 eqid 2621 . . . . 5 (𝑆 ^ko 𝑅) = (𝑆 ^ko 𝑅)
6665xkotopon 21313 . . . 4 ((𝑅 ∈ Top ∧ 𝑆 ∈ Top) → (𝑆 ^ko 𝑅) ∈ (TopOn‘(𝑅 Cn 𝑆)))
6742, 45, 66syl2anc 692 . . 3 (𝜑 → (𝑆 ^ko 𝑅) ∈ (TopOn‘(𝑅 Cn 𝑆)))
68 ovex 6632 . . . . . 6 (𝑅 Cn 𝑇) ∈ V
6968pwex 4808 . . . . 5 𝒫 (𝑅 Cn 𝑇) ∈ V
708, 9, 10xkotf 21298 . . . . . 6 (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}):({𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp} × 𝑇)⟶𝒫 (𝑅 Cn 𝑇)
71 frn 6010 . . . . . 6 ((𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}):({𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp} × 𝑇)⟶𝒫 (𝑅 Cn 𝑇) → ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) ⊆ 𝒫 (𝑅 Cn 𝑇))
7270, 71ax-mp 5 . . . . 5 ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) ⊆ 𝒫 (𝑅 Cn 𝑇)
7369, 72ssexi 4763 . . . 4 ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) ∈ V
7473a1i 11 . . 3 (𝜑 → ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}) ∈ V)
75 cntop2 20955 . . . . 5 (𝐹 ∈ (𝑆 Cn 𝑇) → 𝑇 ∈ Top)
762, 75syl 17 . . . 4 (𝜑𝑇 ∈ Top)
778, 9, 10xkoval 21300 . . . 4 ((𝑅 ∈ Top ∧ 𝑇 ∈ Top) → (𝑇 ^ko 𝑅) = (topGen‘(fi‘ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}))))
7842, 76, 77syl2anc 692 . . 3 (𝜑 → (𝑇 ^ko 𝑅) = (topGen‘(fi‘ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣}))))
79 eqid 2621 . . . . 5 (𝑇 ^ko 𝑅) = (𝑇 ^ko 𝑅)
8079xkotopon 21313 . . . 4 ((𝑅 ∈ Top ∧ 𝑇 ∈ Top) → (𝑇 ^ko 𝑅) ∈ (TopOn‘(𝑅 Cn 𝑇)))
8142, 76, 80syl2anc 692 . . 3 (𝜑 → (𝑇 ^ko 𝑅) ∈ (TopOn‘(𝑅 Cn 𝑇)))
8267, 74, 78, 81subbascn 20968 . 2 (𝜑 → ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) ∈ ((𝑆 ^ko 𝑅) Cn (𝑇 ^ko 𝑅)) ↔ ((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)):(𝑅 Cn 𝑆)⟶(𝑅 Cn 𝑇) ∧ ∀𝑥 ∈ ran (𝑘 ∈ {𝑦 ∈ 𝒫 𝑅 ∣ (𝑅t 𝑦) ∈ Comp}, 𝑣𝑇 ↦ { ∈ (𝑅 Cn 𝑇) ∣ (𝑘) ⊆ 𝑣})((𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) “ 𝑥) ∈ (𝑆 ^ko 𝑅))))
837, 64, 82mpbir2and 956 1 (𝜑 → (𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝐹𝑔)) ∈ ((𝑆 ^ko 𝑅) Cn (𝑇 ^ko 𝑅)))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 384   = wceq 1480   ∈ wcel 1987  ∀wral 2907  ∃wrex 2908  {crab 2911  Vcvv 3186   ⊆ wss 3555  𝒫 cpw 4130  ∪ cuni 4402   ↦ cmpt 4673   × cxp 5072  ◡ccnv 5073  dom cdm 5074  ran crn 5075   “ cima 5077   ∘ ccom 5078  Fun wfun 5841  ⟶wf 5843  ‘cfv 5847  (class class class)co 6604   ↦ cmpt2 6606  ficfi 8260   ↾t crest 16002  topGenctg 16019  Topctop 20617  TopOnctopon 20618   Cn ccn 20938  Compccmp 21099   ^ko cxko 21274 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4731  ax-sep 4741  ax-nul 4749  ax-pow 4803  ax-pr 4867  ax-un 6902 This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-ral 2912  df-rex 2913  df-reu 2914  df-rab 2916  df-v 3188  df-sbc 3418  df-csb 3515  df-dif 3558  df-un 3560  df-in 3562  df-ss 3569  df-pss 3571  df-nul 3892  df-if 4059  df-pw 4132  df-sn 4149  df-pr 4151  df-tp 4153  df-op 4155  df-uni 4403  df-int 4441  df-iun 4487  df-iin 4488  df-br 4614  df-opab 4674  df-mpt 4675  df-tr 4713  df-eprel 4985  df-id 4989  df-po 4995  df-so 4996  df-fr 5033  df-we 5035  df-xp 5080  df-rel 5081  df-cnv 5082  df-co 5083  df-dm 5084  df-rn 5085  df-res 5086  df-ima 5087  df-pred 5639  df-ord 5685  df-on 5686  df-lim 5687  df-suc 5688  df-iota 5810  df-fun 5849  df-fn 5850  df-f 5851  df-f1 5852  df-fo 5853  df-f1o 5854  df-fv 5855  df-ov 6607  df-oprab 6608  df-mpt2 6609  df-om 7013  df-1st 7113  df-2nd 7114  df-wrecs 7352  df-recs 7413  df-rdg 7451  df-1o 7505  df-oadd 7509  df-er 7687  df-map 7804  df-en 7900  df-dom 7901  df-fin 7903  df-fi 8261  df-rest 16004  df-topgen 16025  df-top 20621  df-bases 20622  df-topon 20623  df-cn 20941  df-cmp 21100  df-xko 21276 This theorem is referenced by:  cnmptk1  21394
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