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| Mirrors > Home > MPE Home > Th. List > evlsvarsrng | Structured version Visualization version GIF version | ||
| Description: The evaluation of the variable of polynomials over subring yields the same result as evaluated as variable of the polynomials over the ring itself. (Contributed by AV, 12-Sep-2019.) |
| Ref | Expression |
|---|---|
| evlsvarsrng.q | ⊢ 𝑄 = ((𝐼 evalSub 𝑆)‘𝑅) |
| evlsvarsrng.o | ⊢ 𝑂 = (𝐼 eval 𝑆) |
| evlsvarsrng.v | ⊢ 𝑉 = (𝐼 mVar 𝑈) |
| evlsvarsrng.u | ⊢ 𝑈 = (𝑆 ↾s 𝑅) |
| evlsvarsrng.b | ⊢ 𝐵 = (Base‘𝑆) |
| evlsvarsrng.i | ⊢ (𝜑 → 𝐼 ∈ 𝐴) |
| evlsvarsrng.s | ⊢ (𝜑 → 𝑆 ∈ CRing) |
| evlsvarsrng.r | ⊢ (𝜑 → 𝑅 ∈ (SubRing‘𝑆)) |
| evlsvarsrng.x | ⊢ (𝜑 → 𝑋 ∈ 𝐼) |
| Ref | Expression |
|---|---|
| evlsvarsrng | ⊢ (𝜑 → (𝑄‘(𝑉‘𝑋)) = (𝑂‘(𝑉‘𝑋))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | evlsvarsrng.q | . . 3 ⊢ 𝑄 = ((𝐼 evalSub 𝑆)‘𝑅) | |
| 2 | evlsvarsrng.v | . . 3 ⊢ 𝑉 = (𝐼 mVar 𝑈) | |
| 3 | evlsvarsrng.u | . . 3 ⊢ 𝑈 = (𝑆 ↾s 𝑅) | |
| 4 | evlsvarsrng.b | . . 3 ⊢ 𝐵 = (Base‘𝑆) | |
| 5 | evlsvarsrng.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝐴) | |
| 6 | evlsvarsrng.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ CRing) | |
| 7 | evlsvarsrng.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ (SubRing‘𝑆)) | |
| 8 | evlsvarsrng.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐼) | |
| 9 | 1, 2, 3, 4, 5, 6, 7, 8 | evlsvar 22114 | . 2 ⊢ (𝜑 → (𝑄‘(𝑉‘𝑋)) = (𝑔 ∈ (𝐵 ↑m 𝐼) ↦ (𝑔‘𝑋))) |
| 10 | evlsvarsrng.o | . . . . . 6 ⊢ 𝑂 = (𝐼 eval 𝑆) | |
| 11 | 10, 4 | evlval 22119 | . . . . 5 ⊢ 𝑂 = ((𝐼 evalSub 𝑆)‘𝐵) |
| 12 | 11 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝑂 = ((𝐼 evalSub 𝑆)‘𝐵)) |
| 13 | 12 | fveq1d 6908 | . . 3 ⊢ (𝜑 → (𝑂‘(𝑉‘𝑋)) = (((𝐼 evalSub 𝑆)‘𝐵)‘(𝑉‘𝑋))) |
| 14 | 2 | a1i 11 | . . . . . 6 ⊢ (𝜑 → 𝑉 = (𝐼 mVar 𝑈)) |
| 15 | eqid 2737 | . . . . . . 7 ⊢ (𝐼 mVar 𝑆) = (𝐼 mVar 𝑆) | |
| 16 | 15, 5, 7, 3 | subrgmvr 22051 | . . . . . 6 ⊢ (𝜑 → (𝐼 mVar 𝑆) = (𝐼 mVar 𝑈)) |
| 17 | 4 | ressid 17290 | . . . . . . . . 9 ⊢ (𝑆 ∈ CRing → (𝑆 ↾s 𝐵) = 𝑆) |
| 18 | 6, 17 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → (𝑆 ↾s 𝐵) = 𝑆) |
| 19 | 18 | eqcomd 2743 | . . . . . . 7 ⊢ (𝜑 → 𝑆 = (𝑆 ↾s 𝐵)) |
| 20 | 19 | oveq2d 7447 | . . . . . 6 ⊢ (𝜑 → (𝐼 mVar 𝑆) = (𝐼 mVar (𝑆 ↾s 𝐵))) |
| 21 | 14, 16, 20 | 3eqtr2d 2783 | . . . . 5 ⊢ (𝜑 → 𝑉 = (𝐼 mVar (𝑆 ↾s 𝐵))) |
| 22 | 21 | fveq1d 6908 | . . . 4 ⊢ (𝜑 → (𝑉‘𝑋) = ((𝐼 mVar (𝑆 ↾s 𝐵))‘𝑋)) |
| 23 | 22 | fveq2d 6910 | . . 3 ⊢ (𝜑 → (((𝐼 evalSub 𝑆)‘𝐵)‘(𝑉‘𝑋)) = (((𝐼 evalSub 𝑆)‘𝐵)‘((𝐼 mVar (𝑆 ↾s 𝐵))‘𝑋))) |
| 24 | eqid 2737 | . . . 4 ⊢ ((𝐼 evalSub 𝑆)‘𝐵) = ((𝐼 evalSub 𝑆)‘𝐵) | |
| 25 | eqid 2737 | . . . 4 ⊢ (𝐼 mVar (𝑆 ↾s 𝐵)) = (𝐼 mVar (𝑆 ↾s 𝐵)) | |
| 26 | eqid 2737 | . . . 4 ⊢ (𝑆 ↾s 𝐵) = (𝑆 ↾s 𝐵) | |
| 27 | crngring 20242 | . . . . 5 ⊢ (𝑆 ∈ CRing → 𝑆 ∈ Ring) | |
| 28 | 4 | subrgid 20573 | . . . . 5 ⊢ (𝑆 ∈ Ring → 𝐵 ∈ (SubRing‘𝑆)) |
| 29 | 6, 27, 28 | 3syl 18 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ (SubRing‘𝑆)) |
| 30 | 24, 25, 26, 4, 5, 6, 29, 8 | evlsvar 22114 | . . 3 ⊢ (𝜑 → (((𝐼 evalSub 𝑆)‘𝐵)‘((𝐼 mVar (𝑆 ↾s 𝐵))‘𝑋)) = (𝑔 ∈ (𝐵 ↑m 𝐼) ↦ (𝑔‘𝑋))) |
| 31 | 13, 23, 30 | 3eqtrrd 2782 | . 2 ⊢ (𝜑 → (𝑔 ∈ (𝐵 ↑m 𝐼) ↦ (𝑔‘𝑋)) = (𝑂‘(𝑉‘𝑋))) |
| 32 | 9, 31 | eqtrd 2777 | 1 ⊢ (𝜑 → (𝑄‘(𝑉‘𝑋)) = (𝑂‘(𝑉‘𝑋))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2108 ↦ cmpt 5225 ‘cfv 6561 (class class class)co 7431 ↑m cmap 8866 Basecbs 17247 ↾s cress 17274 Ringcrg 20230 CRingccrg 20231 SubRingcsubrg 20569 mVar cmvr 21925 evalSub ces 22096 eval cevl 22097 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-tp 4631 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-iin 4994 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-se 5638 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-of 7697 df-ofr 7698 df-om 7888 df-1st 8014 df-2nd 8015 df-supp 8186 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-2o 8507 df-er 8745 df-map 8868 df-pm 8869 df-ixp 8938 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-fsupp 9402 df-sup 9482 df-oi 9550 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-2 12329 df-3 12330 df-4 12331 df-5 12332 df-6 12333 df-7 12334 df-8 12335 df-9 12336 df-n0 12527 df-z 12614 df-dec 12734 df-uz 12879 df-fz 13548 df-fzo 13695 df-seq 14043 df-hash 14370 df-struct 17184 df-sets 17201 df-slot 17219 df-ndx 17231 df-base 17248 df-ress 17275 df-plusg 17310 df-mulr 17311 df-sca 17313 df-vsca 17314 df-ip 17315 df-tset 17316 df-ple 17317 df-ds 17319 df-hom 17321 df-cco 17322 df-0g 17486 df-gsum 17487 df-prds 17492 df-pws 17494 df-mre 17629 df-mrc 17630 df-acs 17632 df-mgm 18653 df-sgrp 18732 df-mnd 18748 df-mhm 18796 df-submnd 18797 df-grp 18954 df-minusg 18955 df-sbg 18956 df-mulg 19086 df-subg 19141 df-ghm 19231 df-cntz 19335 df-cmn 19800 df-abl 19801 df-mgp 20138 df-rng 20150 df-ur 20179 df-srg 20184 df-ring 20232 df-cring 20233 df-rhm 20472 df-subrng 20546 df-subrg 20570 df-lmod 20860 df-lss 20930 df-lsp 20970 df-assa 21873 df-asp 21874 df-ascl 21875 df-psr 21929 df-mvr 21930 df-mpl 21931 df-evls 22098 df-evl 22099 |
| This theorem is referenced by: evlvar 22124 evls1var 22342 |
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