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| Mirrors > Home > MPE Home > Th. List > tgpmulg2 | Structured version Visualization version GIF version | ||
| Description: In a topological monoid, the group multiple function is jointly continuous (although this is not saying much as one of the factors is discrete). Use zdis 24943 to write the left topology as a subset of the complex numbers. (Contributed by Mario Carneiro, 19-Sep-2015.) |
| Ref | Expression |
|---|---|
| tgpmulg.j | ⊢ 𝐽 = (TopOpen‘𝐺) |
| tgpmulg.t | ⊢ · = (.g‘𝐺) |
| Ref | Expression |
|---|---|
| tgpmulg2 | ⊢ (𝐺 ∈ TopGrp → · ∈ ((𝒫 ℤ ×t 𝐽) Cn 𝐽)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zex 12600 | . . 3 ⊢ ℤ ∈ V | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝐺 ∈ TopGrp → ℤ ∈ V) |
| 3 | tgpmulg.j | . . 3 ⊢ 𝐽 = (TopOpen‘𝐺) | |
| 4 | eqid 2769 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 5 | 3, 4 | tgptopon 24208 | . 2 ⊢ (𝐺 ∈ TopGrp → 𝐽 ∈ (TopOn‘(Base‘𝐺))) |
| 6 | topontop 23039 | . . 3 ⊢ (𝐽 ∈ (TopOn‘(Base‘𝐺)) → 𝐽 ∈ Top) | |
| 7 | 5, 6 | syl 18 | . 2 ⊢ (𝐺 ∈ TopGrp → 𝐽 ∈ Top) |
| 8 | tgpmulg.t | . . . 4 ⊢ · = (.g‘𝐺) | |
| 9 | 4, 8 | mulgfn 19138 | . . 3 ⊢ · Fn (ℤ × (Base‘𝐺)) |
| 10 | 9 | a1i 11 | . 2 ⊢ (𝐺 ∈ TopGrp → · Fn (ℤ × (Base‘𝐺))) |
| 11 | 3, 8, 4 | tgpmulg 24219 | . 2 ⊢ ((𝐺 ∈ TopGrp ∧ 𝑛 ∈ ℤ) → (𝑥 ∈ (Base‘𝐺) ↦ (𝑛 · 𝑥)) ∈ (𝐽 Cn 𝐽)) |
| 12 | 2, 5, 7, 10, 11 | txdis1cn 23761 | 1 ⊢ (𝐺 ∈ TopGrp → · ∈ ((𝒫 ℤ ×t 𝐽) Cn 𝐽)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 Vcvv 3463 𝒫 cpw 4567 × cxp 5660 Fn wfn 6532 ‘cfv 6537 (class class class)co 7411 ℤcz 12591 Basecbs 17269 TopOpenctopn 17474 .gcmg 19133 Topctop 23019 TopOnctopon 23036 Cn ccn 23350 ×t ctx 23686 TopGrpctgp 24197 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8694 df-map 8826 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-nn 12234 df-n0 12505 df-z 12592 df-uz 12863 df-seq 14038 df-0g 17494 df-topgen 17496 df-plusf 18697 df-mgm 18698 df-sgrp 18777 df-mnd 18793 df-mulg 19134 df-top 23020 df-topon 23037 df-topsp 23059 df-bases 23072 df-cn 23353 df-cnp 23354 df-tx 23688 df-tmd 24198 df-tgp 24199 |
| This theorem is referenced by: (None) |
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