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| Mirrors > Home > MPE Home > Th. List > cnmpt1mulr | Structured version Visualization version GIF version | ||
| Description: Continuity of ring multiplication; analogue of cnmpt12f 24018 which cannot be used directly because .r is not a function. (Contributed by Mario Carneiro, 5-Oct-2015.) |
| Ref | Expression |
|---|---|
| mulrcn.j | ⊢ 𝐽 = (TopOpen‘𝑅) |
| cnmpt1mulr.t | ⊢ · = (.r‘𝑅) |
| cnmpt1mulr.r | ⊢ (𝜑 → 𝑅 ∈ TopRing) |
| cnmpt1mulr.k | ⊢ (𝜑 → 𝐾 ∈ (TopOn‘𝑋)) |
| cnmpt1mulr.a | ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ 𝐴) ∈ (𝐾 Cn 𝐽)) |
| cnmpt1mulr.b | ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ 𝐵) ∈ (𝐾 Cn 𝐽)) |
| Ref | Expression |
|---|---|
| cnmpt1mulr | ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ (𝐴 · 𝐵)) ∈ (𝐾 Cn 𝐽)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . . 3 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 2 | mulrcn.j | . . 3 ⊢ 𝐽 = (TopOpen‘𝑅) | |
| 3 | 1, 2 | mgptopn 20401 | . 2 ⊢ 𝐽 = (TopOpen‘(mulGrp‘𝑅)) |
| 4 | cnmpt1mulr.t | . . 3 ⊢ · = (.r‘𝑅) | |
| 5 | 1, 4 | mgpplusg 20397 | . 2 ⊢ · = (+g‘(mulGrp‘𝑅)) |
| 6 | cnmpt1mulr.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ TopRing) | |
| 7 | 1 | trgtmd 24517 | . . 3 ⊢ (𝑅 ∈ TopRing → (mulGrp‘𝑅) ∈ TopMnd) |
| 8 | 6, 7 | syl 18 | . 2 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ TopMnd) |
| 9 | cnmpt1mulr.k | . 2 ⊢ (𝜑 → 𝐾 ∈ (TopOn‘𝑋)) | |
| 10 | cnmpt1mulr.a | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ 𝐴) ∈ (𝐾 Cn 𝐽)) | |
| 11 | cnmpt1mulr.b | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ 𝐵) ∈ (𝐾 Cn 𝐽)) | |
| 12 | 3, 5, 8, 9, 10, 11 | cnmpt1plusg 24439 | 1 ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ (𝐴 · 𝐵)) ∈ (𝐾 Cn 𝐽)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 ↦ cmpt 5190 ‘cfv 6561 (class class class)co 7446 .rcmulr 17461 TopOpenctopn 17624 mulGrpcmgp 20393 TopOnctopon 23261 Cn ccn 23575 TopMndctmd 24422 TopRingctrg 24508 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5236 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-1st 8028 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-er 8748 df-map 8880 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-nn 12366 df-2 12435 df-3 12436 df-4 12437 df-5 12438 df-6 12439 df-7 12440 df-8 12441 df-9 12442 df-sets 17374 df-slot 17392 df-ndx 17404 df-base 17420 df-plusg 17473 df-tset 17479 df-rest 17625 df-topn 17626 df-topgen 17646 df-plusf 18847 df-mgp 20394 df-top 23245 df-topon 23262 df-topsp 23284 df-bases 23297 df-cn 23578 df-tx 23914 df-tmd 24424 df-trg 24512 |
| This theorem is used by: (None) |
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