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Theorem cnmpt1plusg 24275
Description: Continuity of the group sum; analogue of cnmpt12f 23854 which cannot be used directly because +g is not a function. (Contributed by Mario Carneiro, 23-Aug-2015.)
Hypotheses
Ref Expression
tgpcn.j 𝐽 = (TopOpen‘𝐺)
cnmpt1plusg.p + = (+g𝐺)
cnmpt1plusg.g (𝜑𝐺 ∈ TopMnd)
cnmpt1plusg.k (𝜑𝐾 ∈ (TopOn‘𝑋))
cnmpt1plusg.a (𝜑 → (𝑥𝑋𝐴) ∈ (𝐾 Cn 𝐽))
cnmpt1plusg.b (𝜑 → (𝑥𝑋𝐵) ∈ (𝐾 Cn 𝐽))
Assertion
Ref Expression
cnmpt1plusg (𝜑 → (𝑥𝑋 ↦ (𝐴 + 𝐵)) ∈ (𝐾 Cn 𝐽))
Distinct variable groups:   𝑥,𝐺   𝑥,𝐽   𝑥,𝐾   𝜑,𝑥   𝑥,𝑋
Allowed substitution hints:   𝐴(𝑥)   𝐵(𝑥)   + (𝑥)

Proof of Theorem cnmpt1plusg
StepHypRef Expression
1 cnmpt1plusg.k . . . . . 6 (𝜑𝐾 ∈ (TopOn‘𝑋))
2 cnmpt1plusg.g . . . . . . 7 (𝜑𝐺 ∈ TopMnd)
3 tgpcn.j . . . . . . . 8 𝐽 = (TopOpen‘𝐺)
4 eqid 2765 . . . . . . . 8 (Base‘𝐺) = (Base‘𝐺)
53, 4tmdtopon 24269 . . . . . . 7 (𝐺 ∈ TopMnd → 𝐽 ∈ (TopOn‘(Base‘𝐺)))
62, 5syl 18 . . . . . 6 (𝜑𝐽 ∈ (TopOn‘(Base‘𝐺)))
7 cnmpt1plusg.a . . . . . 6 (𝜑 → (𝑥𝑋𝐴) ∈ (𝐾 Cn 𝐽))
8 cnf2 23436 . . . . . 6 ((𝐾 ∈ (TopOn‘𝑋) ∧ 𝐽 ∈ (TopOn‘(Base‘𝐺)) ∧ (𝑥𝑋𝐴) ∈ (𝐾 Cn 𝐽)) → (𝑥𝑋𝐴):𝑋⟶(Base‘𝐺))
91, 6, 7, 8syl3anc 1398 . . . . 5 (𝜑 → (𝑥𝑋𝐴):𝑋⟶(Base‘𝐺))
109fvmptelcdm 7112 . . . 4 ((𝜑𝑥𝑋) → 𝐴 ∈ (Base‘𝐺))
11 cnmpt1plusg.b . . . . . 6 (𝜑 → (𝑥𝑋𝐵) ∈ (𝐾 Cn 𝐽))
12 cnf2 23436 . . . . . 6 ((𝐾 ∈ (TopOn‘𝑋) ∧ 𝐽 ∈ (TopOn‘(Base‘𝐺)) ∧ (𝑥𝑋𝐵) ∈ (𝐾 Cn 𝐽)) → (𝑥𝑋𝐵):𝑋⟶(Base‘𝐺))
131, 6, 11, 12syl3anc 1398 . . . . 5 (𝜑 → (𝑥𝑋𝐵):𝑋⟶(Base‘𝐺))
1413fvmptelcdm 7112 . . . 4 ((𝜑𝑥𝑋) → 𝐵 ∈ (Base‘𝐺))
15 cnmpt1plusg.p . . . . 5 + = (+g𝐺)
16 eqid 2765 . . . . 5 (+𝑓𝐺) = (+𝑓𝐺)
174, 15, 16plusfval 18723 . . . 4 ((𝐴 ∈ (Base‘𝐺) ∧ 𝐵 ∈ (Base‘𝐺)) → (𝐴(+𝑓𝐺)𝐵) = (𝐴 + 𝐵))
1810, 14, 17syl2anc 596 . . 3 ((𝜑𝑥𝑋) → (𝐴(+𝑓𝐺)𝐵) = (𝐴 + 𝐵))
1918mpteq2dva 5206 . 2 (𝜑 → (𝑥𝑋 ↦ (𝐴(+𝑓𝐺)𝐵)) = (𝑥𝑋 ↦ (𝐴 + 𝐵)))
203, 16tmdcn 24271 . . . 4 (𝐺 ∈ TopMnd → (+𝑓𝐺) ∈ ((𝐽 ×t 𝐽) Cn 𝐽))
212, 20syl 18 . . 3 (𝜑 → (+𝑓𝐺) ∈ ((𝐽 ×t 𝐽) Cn 𝐽))
221, 7, 11, 21cnmpt12f 23854 . 2 (𝜑 → (𝑥𝑋 ↦ (𝐴(+𝑓𝐺)𝐵)) ∈ (𝐾 Cn 𝐽))
2319, 22eqeltrrd 2866 1 (𝜑 → (𝑥𝑋 ↦ (𝐴 + 𝐵)) ∈ (𝐾 Cn 𝐽))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401   = wceq 1570  wcel 2146  cmpt 5194  wf 6536  cfv 6540  (class class class)co 7416  Basecbs 17287  +gcplusg 17328  TopOpenctopn 17492  +𝑓cplusf 18713  TopOnctopon 23097   Cn ccn 23411   ×t ctx 23748  TopMndctmd 24258
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 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2737  ax-sep 5259  ax-nul 5271  ax-pow 5338  ax-pr 5406  ax-un 7738
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-ral 3082  df-rex 3092  df-rab 3419  df-v 3459  df-sbc 3747  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4287  df-if 4490  df-pw 4566  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-iun 4960  df-br 5112  df-opab 5176  df-mpt 5195  df-id 5558  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-iota 6496  df-fun 6542  df-fn 6543  df-f 6544  df-fv 6548  df-ov 7419  df-oprab 7420  df-mpo 7421  df-1st 7988  df-2nd 7989  df-map 8828  df-topgen 17514  df-plusf 18715  df-top 23081  df-topon 23098  df-topsp 23120  df-bases 23133  df-cn 23414  df-tx 23750  df-tmd 24260
This theorem is used by:  tmdmulg  24280  tmdgsum  24283  tmdlactcn  24290  clsnsg  24298  tgpt0  24307  cnmpt1mulr  24370
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