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Mirrors > Home > MPE Home > Th. List > prdsbascl | Structured version Visualization version GIF version |
Description: An element of the base has projections closed in the factors. (Contributed by Mario Carneiro, 27-Aug-2015.) |
Ref | Expression |
---|---|
prdsbasmpt2.y | ⊢ 𝑌 = (𝑆Xs(𝑥 ∈ 𝐼 ↦ 𝑅)) |
prdsbasmpt2.b | ⊢ 𝐵 = (Base‘𝑌) |
prdsbasmpt2.s | ⊢ (𝜑 → 𝑆 ∈ 𝑉) |
prdsbasmpt2.i | ⊢ (𝜑 → 𝐼 ∈ 𝑊) |
prdsbasmpt2.r | ⊢ (𝜑 → ∀𝑥 ∈ 𝐼 𝑅 ∈ 𝑋) |
prdsbasmpt2.k | ⊢ 𝐾 = (Base‘𝑅) |
prdsbascl.f | ⊢ (𝜑 → 𝐹 ∈ 𝐵) |
Ref | Expression |
---|---|
prdsbascl | ⊢ (𝜑 → ∀𝑥 ∈ 𝐼 (𝐹‘𝑥) ∈ 𝐾) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prdsbasmpt2.y | . . . . 5 ⊢ 𝑌 = (𝑆Xs(𝑥 ∈ 𝐼 ↦ 𝑅)) | |
2 | prdsbasmpt2.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑌) | |
3 | prdsbasmpt2.s | . . . . 5 ⊢ (𝜑 → 𝑆 ∈ 𝑉) | |
4 | prdsbasmpt2.i | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝑊) | |
5 | prdsbasmpt2.r | . . . . . 6 ⊢ (𝜑 → ∀𝑥 ∈ 𝐼 𝑅 ∈ 𝑋) | |
6 | eqid 2737 | . . . . . . 7 ⊢ (𝑥 ∈ 𝐼 ↦ 𝑅) = (𝑥 ∈ 𝐼 ↦ 𝑅) | |
7 | 6 | fnmpt 6646 | . . . . . 6 ⊢ (∀𝑥 ∈ 𝐼 𝑅 ∈ 𝑋 → (𝑥 ∈ 𝐼 ↦ 𝑅) Fn 𝐼) |
8 | 5, 7 | syl 17 | . . . . 5 ⊢ (𝜑 → (𝑥 ∈ 𝐼 ↦ 𝑅) Fn 𝐼) |
9 | prdsbascl.f | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝐵) | |
10 | 1, 2, 3, 4, 8, 9 | prdsbasfn 17360 | . . . 4 ⊢ (𝜑 → 𝐹 Fn 𝐼) |
11 | dffn5 6906 | . . . 4 ⊢ (𝐹 Fn 𝐼 ↔ 𝐹 = (𝑥 ∈ 𝐼 ↦ (𝐹‘𝑥))) | |
12 | 10, 11 | sylib 217 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐼 ↦ (𝐹‘𝑥))) |
13 | 12, 9 | eqeltrrd 2839 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐼 ↦ (𝐹‘𝑥)) ∈ 𝐵) |
14 | prdsbasmpt2.k | . . 3 ⊢ 𝐾 = (Base‘𝑅) | |
15 | 1, 2, 3, 4, 5, 14 | prdsbasmpt2 17371 | . 2 ⊢ (𝜑 → ((𝑥 ∈ 𝐼 ↦ (𝐹‘𝑥)) ∈ 𝐵 ↔ ∀𝑥 ∈ 𝐼 (𝐹‘𝑥) ∈ 𝐾)) |
16 | 13, 15 | mpbid 231 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐼 (𝐹‘𝑥) ∈ 𝐾) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2107 ∀wral 3065 ↦ cmpt 5193 Fn wfn 6496 ‘cfv 6501 (class class class)co 7362 Basecbs 17090 Xscprds 17334 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2708 ax-rep 5247 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-cnex 11114 ax-resscn 11115 ax-1cn 11116 ax-icn 11117 ax-addcl 11118 ax-addrcl 11119 ax-mulcl 11120 ax-mulrcl 11121 ax-mulcom 11122 ax-addass 11123 ax-mulass 11124 ax-distr 11125 ax-i2m1 11126 ax-1ne0 11127 ax-1rid 11128 ax-rnegex 11129 ax-rrecex 11130 ax-cnre 11131 ax-pre-lttri 11132 ax-pre-lttrn 11133 ax-pre-ltadd 11134 ax-pre-mulgt0 11135 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3066 df-rex 3075 df-reu 3357 df-rab 3411 df-v 3450 df-sbc 3745 df-csb 3861 df-dif 3918 df-un 3920 df-in 3922 df-ss 3932 df-pss 3934 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4871 df-iun 4961 df-br 5111 df-opab 5173 df-mpt 5194 df-tr 5228 df-id 5536 df-eprel 5542 df-po 5550 df-so 5551 df-fr 5593 df-we 5595 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-pred 6258 df-ord 6325 df-on 6326 df-lim 6327 df-suc 6328 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-riota 7318 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7808 df-1st 7926 df-2nd 7927 df-frecs 8217 df-wrecs 8248 df-recs 8322 df-rdg 8361 df-1o 8417 df-er 8655 df-map 8774 df-ixp 8843 df-en 8891 df-dom 8892 df-sdom 8893 df-fin 8894 df-sup 9385 df-pnf 11198 df-mnf 11199 df-xr 11200 df-ltxr 11201 df-le 11202 df-sub 11394 df-neg 11395 df-nn 12161 df-2 12223 df-3 12224 df-4 12225 df-5 12226 df-6 12227 df-7 12228 df-8 12229 df-9 12230 df-n0 12421 df-z 12507 df-dec 12626 df-uz 12771 df-fz 13432 df-struct 17026 df-slot 17061 df-ndx 17073 df-base 17091 df-plusg 17153 df-mulr 17154 df-sca 17156 df-vsca 17157 df-ip 17158 df-tset 17159 df-ple 17160 df-ds 17162 df-hom 17164 df-cco 17165 df-prds 17336 |
This theorem is referenced by: prdsdsval3 17374 prdsdsf 23736 prdsxmetlem 23737 prdsmet 23739 prdsbl 23863 prdsxmslem2 23901 prdsbnd 36281 prdsbnd2 36283 rrnequiv 36323 |
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