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| Mirrors > Home > MPE Home > Th. List > pwstps | Structured version Visualization version GIF version | ||
| Description: A structure power of a topological space is a topological space. (Contributed by Mario Carneiro, 27-Aug-2015.) |
| Ref | Expression |
|---|---|
| pwstps.y | ⊢ 𝑌 = (𝑅 ↑s 𝐼) |
| Ref | Expression |
|---|---|
| pwstps | ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → 𝑌 ∈ TopSp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pwstps.y | . . 3 ⊢ 𝑌 = (𝑅 ↑s 𝐼) | |
| 2 | eqid 2766 | . . 3 ⊢ (Scalar‘𝑅) = (Scalar‘𝑅) | |
| 3 | 1, 2 | pwsval 17564 | . 2 ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → 𝑌 = ((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) |
| 4 | eqid 2766 | . . 3 ⊢ ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) = ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) | |
| 5 | fvexd 6903 | . . 3 ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → (Scalar‘𝑅) ∈ V) | |
| 6 | simpr 490 | . . 3 ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → 𝐼 ∈ 𝑉) | |
| 7 | fconst6g 6774 | . . . 4 ⊢ (𝑅 ∈ TopSp → (𝐼 × {𝑅}):𝐼⟶TopSp) | |
| 8 | 7 | adantr 486 | . . 3 ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → (𝐼 × {𝑅}):𝐼⟶TopSp) |
| 9 | 4, 5, 6, 8 | prdstps 23823 | . 2 ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) ∈ TopSp) |
| 10 | 3, 9 | eqeltrd 2866 | 1 ⊢ ((𝑅 ∈ TopSp ∧ 𝐼 ∈ 𝑉) → 𝑌 ∈ TopSp) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 Vcvv 3458 {csn 4594 × cxp 5664 ⟶wf 6539 ‘cfv 6543 (class class class)co 7423 Scalarcsca 17338 Xscprds 17523 ↑s cpws 17524 TopSpctps 23126 |
| 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 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| 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 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4878 df-int 4918 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-1o 8462 df-2o 8463 df-er 8703 df-map 8835 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fi 9381 df-sup 9412 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-nn 12252 df-2 12321 df-3 12322 df-4 12323 df-5 12324 df-6 12325 df-7 12326 df-8 12327 df-9 12328 df-n0 12523 df-z 12610 df-dec 12730 df-uz 12881 df-fz 13554 df-struct 17232 df-slot 17267 df-ndx 17279 df-base 17295 df-plusg 17348 df-mulr 17349 df-sca 17351 df-vsca 17352 df-ip 17353 df-tset 17354 df-ple 17355 df-ds 17357 df-hom 17359 df-cco 17360 df-rest 17500 df-topn 17501 df-topgen 17521 df-pt 17522 df-prds 17525 df-pws 17527 df-top 23088 df-topon 23105 df-topsp 23127 df-bases 23140 |
| This theorem is used by: (None) |
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