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| Mirrors > Home > ILE Home > Th. List > pwsbas | GIF version | ||
| Description: Base set of a structure power. (Contributed by Mario Carneiro, 11-Jan-2015.) |
| Ref | Expression |
|---|---|
| pwsbas.y | ⊢ 𝑌 = (𝑅 ↑s 𝐼) |
| pwsbas.f | ⊢ 𝐵 = (Base‘𝑅) |
| Ref | Expression |
|---|---|
| pwsbas | ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (𝐵 ↑𝑚 𝐼) = (Base‘𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pwsbas.y | . . . 4 ⊢ 𝑌 = (𝑅 ↑s 𝐼) | |
| 2 | eqid 2238 | . . . 4 ⊢ (Scalar‘𝑅) = (Scalar‘𝑅) | |
| 3 | 1, 2 | pwsval 14187 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝑌 = ((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) |
| 4 | 3 | fveq2d 5697 | . 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (Base‘𝑌) = (Base‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
| 5 | eqid 2238 | . . . 4 ⊢ ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) = ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) | |
| 6 | scaslid 13490 | . . . . . 6 ⊢ (Scalar = Slot (Scalar‘ndx) ∧ (Scalar‘ndx) ∈ ℕ) | |
| 7 | 6 | slotex 13362 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → (Scalar‘𝑅) ∈ V) |
| 8 | 7 | adantr 276 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (Scalar‘𝑅) ∈ V) |
| 9 | simpr 110 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → 𝐼 ∈ 𝑊) | |
| 10 | snexg 4319 | . . . . . 6 ⊢ (𝑅 ∈ 𝑉 → {𝑅} ∈ V) | |
| 11 | 10 | adantr 276 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → {𝑅} ∈ V) |
| 12 | xpexg 4887 | . . . . 5 ⊢ ((𝐼 ∈ 𝑊 ∧ {𝑅} ∈ V) → (𝐼 × {𝑅}) ∈ V) | |
| 13 | 9, 11, 12 | syl2anc 415 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (𝐼 × {𝑅}) ∈ V) |
| 14 | eqid 2238 | . . . 4 ⊢ (Base‘((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) = (Base‘((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) | |
| 15 | snmg 3829 | . . . . . 6 ⊢ (𝑅 ∈ 𝑉 → ∃𝑤 𝑤 ∈ {𝑅}) | |
| 16 | dmxpm 5000 | . . . . . 6 ⊢ (∃𝑤 𝑤 ∈ {𝑅} → dom (𝐼 × {𝑅}) = 𝐼) | |
| 17 | 15, 16 | syl 14 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → dom (𝐼 × {𝑅}) = 𝐼) |
| 18 | 17 | adantr 276 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → dom (𝐼 × {𝑅}) = 𝐼) |
| 19 | 5, 8, 13, 14, 18 | prdsbas 14159 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (Base‘((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) = X𝑥 ∈ 𝐼 (Base‘((𝐼 × {𝑅})‘𝑥))) |
| 20 | fvconst2g 5923 | . . . . . . 7 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ 𝐼) → ((𝐼 × {𝑅})‘𝑥) = 𝑅) | |
| 21 | 20 | fveq2d 5697 | . . . . . 6 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ 𝐼) → (Base‘((𝐼 × {𝑅})‘𝑥)) = (Base‘𝑅)) |
| 22 | 21 | ralrimiva 2623 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → ∀𝑥 ∈ 𝐼 (Base‘((𝐼 × {𝑅})‘𝑥)) = (Base‘𝑅)) |
| 23 | 22 | adantr 276 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → ∀𝑥 ∈ 𝐼 (Base‘((𝐼 × {𝑅})‘𝑥)) = (Base‘𝑅)) |
| 24 | ixpeq2 6988 | . . . 4 ⊢ (∀𝑥 ∈ 𝐼 (Base‘((𝐼 × {𝑅})‘𝑥)) = (Base‘𝑅) → X𝑥 ∈ 𝐼 (Base‘((𝐼 × {𝑅})‘𝑥)) = X𝑥 ∈ 𝐼 (Base‘𝑅)) | |
| 25 | 23, 24 | syl 14 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → X𝑥 ∈ 𝐼 (Base‘((𝐼 × {𝑅})‘𝑥)) = X𝑥 ∈ 𝐼 (Base‘𝑅)) |
| 26 | 19, 25 | eqtrd 2271 | . 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (Base‘((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) = X𝑥 ∈ 𝐼 (Base‘𝑅)) |
| 27 | basfn 13394 | . . . . . 6 ⊢ Base Fn V | |
| 28 | elex 2833 | . . . . . 6 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V) | |
| 29 | funfvex 5710 | . . . . . . 7 ⊢ ((Fun Base ∧ 𝑅 ∈ dom Base) → (Base‘𝑅) ∈ V) | |
| 30 | 29 | funfni 5481 | . . . . . 6 ⊢ ((Base Fn V ∧ 𝑅 ∈ V) → (Base‘𝑅) ∈ V) |
| 31 | 27, 28, 30 | sylancr 418 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑅) ∈ V) |
| 32 | 31 | adantr 276 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (Base‘𝑅) ∈ V) |
| 33 | ixpconstg 6983 | . . . 4 ⊢ ((𝐼 ∈ 𝑊 ∧ (Base‘𝑅) ∈ V) → X𝑥 ∈ 𝐼 (Base‘𝑅) = ((Base‘𝑅) ↑𝑚 𝐼)) | |
| 34 | 9, 32, 33 | syl2anc 415 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → X𝑥 ∈ 𝐼 (Base‘𝑅) = ((Base‘𝑅) ↑𝑚 𝐼)) |
| 35 | pwsbas.f | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
| 36 | 35 | oveq1i 6089 | . . 3 ⊢ (𝐵 ↑𝑚 𝐼) = ((Base‘𝑅) ↑𝑚 𝐼) |
| 37 | 34, 36 | eqtr4di 2289 | . 2 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → X𝑥 ∈ 𝐼 (Base‘𝑅) = (𝐵 ↑𝑚 𝐼)) |
| 38 | 4, 26, 37 | 3eqtrrd 2276 | 1 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝐼 ∈ 𝑊) → (𝐵 ↑𝑚 𝐼) = (Base‘𝑌)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1402 ∃wex 1545 ∈ wcel 2209 ∀wral 2528 Vcvv 2821 {csn 3708 × cxp 4770 dom cdm 4772 Fn wfn 5370 ‘cfv 5375 (class class class)co 6079 ↑𝑚 cmap 6916 Xcixp 6974 Basecbs 13335 Scalarcsca 13417 Xscprds 14152 ↑s cpws 14185 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-mulcom 8274 ax-addass 8275 ax-mulass 8276 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-1rid 8280 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-apti 8288 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-tp 3716 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-map 6918 df-ixp 6975 df-sup 7318 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-inn 9288 df-2 9346 df-3 9347 df-4 9348 df-5 9349 df-6 9350 df-7 9351 df-8 9352 df-9 9353 df-n0 9547 df-z 9628 df-dec 9761 df-uz 9905 df-fz 10395 df-struct 13337 df-ndx 13338 df-slot 13339 df-base 13341 df-plusg 13427 df-mulr 13428 df-sca 13430 df-vsca 13431 df-ip 13432 df-tset 13433 df-ple 13434 df-ds 13436 df-hom 13438 df-cco 13439 df-rest 13578 df-topn 13579 df-topgen 13597 df-pt 13598 df-prds 14153 df-pws 14186 |
| This theorem is referenced by: pwselbasb 14189 pwssnf1o 14194 psrgrp 15059 |
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