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| Mirrors > Home > ILE Home > Th. List > pwsval | GIF version | ||
| Description: Value of a structure power. (Contributed by Mario Carneiro, 11-Jan-2015.) |
| Ref | Expression |
|---|---|
| pwsval.y | ⊢ 𝑌 = (𝑅 ↑s 𝐼) |
| pwsval.f | ⊢ 𝐹 = (Scalar‘𝑅) |
| Ref | Expression |
|---|---|
| pwsval | ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝑌 = (𝐹Xs(𝐼 × {𝑅}))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pwsval.y | . 2 ⊢ 𝑌 = (𝑅 ↑s 𝐼) | |
| 2 | elex 2811 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V) | |
| 3 | 2 | adantr 276 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝑅 ∈ V) |
| 4 | elex 2811 | . . . 4 ⊢ (𝐼 ∈ 𝑊 → 𝐼 ∈ V) | |
| 5 | 4 | adantl 277 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝐼 ∈ V) |
| 6 | pwsval.f | . . . . . 6 ⊢ 𝐹 = (Scalar‘𝑅) | |
| 7 | scaslid 13207 | . . . . . . 7 ⊢ (Scalar = Slot (Scalar‘ndx) ∧ (Scalar‘ndx) ∈ ℕ) | |
| 8 | 7 | slotex 13080 | . . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (Scalar‘𝑅) ∈ V) |
| 9 | 6, 8 | eqeltrid 2316 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → 𝐹 ∈ V) |
| 10 | 9 | adantr 276 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝐹 ∈ V) |
| 11 | simpr 110 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝐼 ∈ 𝑊) | |
| 12 | snexg 4269 | . . . . . 6 ⊢ (𝑅 ∈ 𝑉 → {𝑅} ∈ V) | |
| 13 | 12 | adantr 276 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → {𝑅} ∈ V) |
| 14 | xpexg 4835 | . . . . 5 ⊢ ((𝐼 ∈ 𝑊 ∧ {𝑅} ∈ V) → (𝐼 × {𝑅}) ∈ V) | |
| 15 | 11, 13, 14 | syl2anc 411 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (𝐼 × {𝑅}) ∈ V) |
| 16 | prdsex 13323 | . . . 4 ⊢ ((𝐹 ∈ V ∧ (𝐼 × {𝑅}) ∈ V) → (𝐹Xs(𝐼 × {𝑅})) ∈ V) | |
| 17 | 10, 15, 16 | syl2anc 411 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (𝐹Xs(𝐼 × {𝑅})) ∈ V) |
| 18 | simpl 109 | . . . . . . 7 ⊢ ((𝑟 = 𝑅 ∧ 𝑖 = 𝐼) → 𝑟 = 𝑅) | |
| 19 | 18 | fveq2d 5636 | . . . . . 6 ⊢ ((𝑟 = 𝑅 ∧ 𝑖 = 𝐼) → (Scalar‘𝑟) = (Scalar‘𝑅)) |
| 20 | 19, 6 | eqtr4di 2280 | . . . . 5 ⊢ ((𝑟 = 𝑅 ∧ 𝑖 = 𝐼) → (Scalar‘𝑟) = 𝐹) |
| 21 | id 19 | . . . . . 6 ⊢ (𝑖 = 𝐼 → 𝑖 = 𝐼) | |
| 22 | sneq 3677 | . . . . . 6 ⊢ (𝑟 = 𝑅 → {𝑟} = {𝑅}) | |
| 23 | xpeq12 4739 | . . . . . 6 ⊢ ((𝑖 = 𝐼 ∧ {𝑟} = {𝑅}) → (𝑖 × {𝑟}) = (𝐼 × {𝑅})) | |
| 24 | 21, 22, 23 | syl2anr 290 | . . . . 5 ⊢ ((𝑟 = 𝑅 ∧ 𝑖 = 𝐼) → (𝑖 × {𝑟}) = (𝐼 × {𝑅})) |
| 25 | 20, 24 | oveq12d 6028 | . . . 4 ⊢ ((𝑟 = 𝑅 ∧ 𝑖 = 𝐼) → ((Scalar‘𝑟)Xs(𝑖 × {𝑟})) = (𝐹Xs(𝐼 × {𝑅}))) |
| 26 | df-pws 13344 | . . . 4 ⊢ ↑s = (𝑟 ∈ V, 𝑖 ∈ V ↦ ((Scalar‘𝑟)Xs(𝑖 × {𝑟}))) | |
| 27 | 25, 26 | ovmpoga 6143 | . . 3 ⊢ ((𝑅 ∈ V ∧ 𝐼 ∈ V ∧ (𝐹Xs(𝐼 × {𝑅})) ∈ V) → (𝑅 ↑s 𝐼) = (𝐹Xs(𝐼 × {𝑅}))) |
| 28 | 3, 5, 17, 27 | syl3anc 1271 | . 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (𝑅 ↑s 𝐼) = (𝐹Xs(𝐼 × {𝑅}))) |
| 29 | 1, 28 | eqtrid 2274 | 1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝑌 = (𝐹Xs(𝐼 × {𝑅}))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 Vcvv 2799 {csn 3666 × cxp 4718 ‘cfv 5321 (class class class)co 6010 Scalarcsca 13134 Xscprds 13319 ↑s cpws 13320 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-setind 4630 ax-cnex 8106 ax-resscn 8107 ax-1cn 8108 ax-1re 8109 ax-icn 8110 ax-addcl 8111 ax-addrcl 8112 ax-mulcl 8113 ax-addcom 8115 ax-mulcom 8116 ax-addass 8117 ax-mulass 8118 ax-distr 8119 ax-i2m1 8120 ax-1rid 8122 ax-0id 8123 ax-rnegex 8124 ax-cnre 8126 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-tp 3674 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-res 4732 df-ima 4733 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-f1 5326 df-fo 5327 df-f1o 5328 df-fv 5329 df-riota 5963 df-ov 6013 df-oprab 6014 df-mpo 6015 df-1st 6295 df-2nd 6296 df-map 6810 df-ixp 6859 df-sup 7167 df-sub 8335 df-inn 9127 df-2 9185 df-3 9186 df-4 9187 df-5 9188 df-6 9189 df-7 9190 df-8 9191 df-9 9192 df-n0 9386 df-dec 9595 df-ndx 13056 df-slot 13057 df-base 13059 df-plusg 13144 df-mulr 13145 df-sca 13147 df-vsca 13148 df-ip 13149 df-tset 13150 df-ple 13151 df-ds 13153 df-hom 13155 df-cco 13156 df-rest 13295 df-topn 13296 df-topgen 13314 df-pt 13315 df-prds 13321 df-pws 13344 |
| This theorem is referenced by: pwsbas 13346 pwsplusgval 13349 pwsmulrval 13350 pwsmnd 13504 pws0g 13505 pwsgrp 13665 pwsinvg 13666 |
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