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| Mirrors > Home > MPE Home > Th. List > coe1pwmulfv | Structured version Visualization version GIF version | ||
| Description: Function value of a right-multiplication by a variable power in the shifted domain. (Contributed by Stefan O'Rear, 1-Apr-2015.) |
| Ref | Expression |
|---|---|
| coe1pwmul.z | ⊢ 0 = (0g‘𝑅) |
| coe1pwmul.p | ⊢ 𝑃 = (Poly1‘𝑅) |
| coe1pwmul.x | ⊢ 𝑋 = (var1‘𝑅) |
| coe1pwmul.n | ⊢ 𝑁 = (mulGrp‘𝑃) |
| coe1pwmul.e | ⊢ ↑ = (.g‘𝑁) |
| coe1pwmul.b | ⊢ 𝐵 = (Base‘𝑃) |
| coe1pwmul.t | ⊢ · = (.r‘𝑃) |
| coe1pwmul.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| coe1pwmul.a | ⊢ (𝜑 → 𝐴 ∈ 𝐵) |
| coe1pwmul.d | ⊢ (𝜑 → 𝐷 ∈ ℕ0) |
| coe1pwmulfv.y | ⊢ (𝜑 → 𝑌 ∈ ℕ0) |
| Ref | Expression |
|---|---|
| coe1pwmulfv | ⊢ (𝜑 → ((coe1‘((𝐷 ↑ 𝑋) · 𝐴))‘(𝐷 + 𝑌)) = ((coe1‘𝐴)‘𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | coe1pwmul.z | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 2 | coe1pwmul.p | . . . 4 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 3 | coe1pwmul.x | . . . 4 ⊢ 𝑋 = (var1‘𝑅) | |
| 4 | coe1pwmul.n | . . . 4 ⊢ 𝑁 = (mulGrp‘𝑃) | |
| 5 | coe1pwmul.e | . . . 4 ⊢ ↑ = (.g‘𝑁) | |
| 6 | coe1pwmul.b | . . . 4 ⊢ 𝐵 = (Base‘𝑃) | |
| 7 | coe1pwmul.t | . . . 4 ⊢ · = (.r‘𝑃) | |
| 8 | coe1pwmul.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 9 | coe1pwmul.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝐵) | |
| 10 | coe1pwmul.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ ℕ0) | |
| 11 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 | coe1pwmul 22653 | . . 3 ⊢ (𝜑 → (coe1‘((𝐷 ↑ 𝑋) · 𝐴)) = (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))) |
| 12 | 11 | fveq1d 6918 | . 2 ⊢ (𝜑 → ((coe1‘((𝐷 ↑ 𝑋) · 𝐴))‘(𝐷 + 𝑌)) = ((𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))‘(𝐷 + 𝑌))) |
| 13 | coe1pwmulfv.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ ℕ0) | |
| 14 | 10, 13 | nn0addcld 12711 | . . . 4 ⊢ (𝜑 → (𝐷 + 𝑌) ∈ ℕ0) |
| 15 | breq2 5112 | . . . . . 6 ⊢ (𝑥 = (𝐷 + 𝑌) → (𝐷 ≤ 𝑥 ↔ 𝐷 ≤ (𝐷 + 𝑌))) | |
| 16 | fvoveq1 7474 | . . . . . 6 ⊢ (𝑥 = (𝐷 + 𝑌) → ((coe1‘𝐴)‘(𝑥 − 𝐷)) = ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷))) | |
| 17 | 15, 16 | ifbieq1d 4510 | . . . . 5 ⊢ (𝑥 = (𝐷 + 𝑌) → if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ) = if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 )) |
| 18 | eqid 2763 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 )) = (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 )) | |
| 19 | fvex 6929 | . . . . . 6 ⊢ ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)) ∈ V | |
| 20 | 1 | fvexi 6930 | . . . . . 6 ⊢ 0 ∈ V |
| 21 | 19, 20 | ifex 4536 | . . . . 5 ⊢ if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 ) ∈ V |
| 22 | 17, 18, 21 | fvmpt 7024 | . . . 4 ⊢ ((𝐷 + 𝑌) ∈ ℕ0 → ((𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))‘(𝐷 + 𝑌)) = if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 )) |
| 23 | 14, 22 | syl 18 | . . 3 ⊢ (𝜑 → ((𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))‘(𝐷 + 𝑌)) = if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 )) |
| 24 | 10 | nn0red 12708 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℝ) |
| 25 | nn0addge1 12692 | . . . . 5 ⊢ ((𝐷 ∈ ℝ ∧ 𝑌 ∈ ℕ0) → 𝐷 ≤ (𝐷 + 𝑌)) | |
| 26 | 24, 13, 25 | syl2anc 596 | . . . 4 ⊢ (𝜑 → 𝐷 ≤ (𝐷 + 𝑌)) |
| 27 | 26 | iftrued 4493 | . . 3 ⊢ (𝜑 → if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 ) = ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷))) |
| 28 | 10 | nn0cnd 12709 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℂ) |
| 29 | 13 | nn0cnd 12709 | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ ℂ) |
| 30 | 28, 29 | pncan2d 11710 | . . . 4 ⊢ (𝜑 → ((𝐷 + 𝑌) − 𝐷) = 𝑌) |
| 31 | 30 | fveq2d 6920 | . . 3 ⊢ (𝜑 → ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)) = ((coe1‘𝐴)‘𝑌)) |
| 32 | 23, 27, 31 | 3eqtrd 2802 | . 2 ⊢ (𝜑 → ((𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))‘(𝐷 + 𝑌)) = ((coe1‘𝐴)‘𝑌)) |
| 33 | 12, 32 | eqtrd 2798 | 1 ⊢ (𝜑 → ((coe1‘((𝐷 ↑ 𝑋) · 𝐴))‘(𝐷 + 𝑌)) = ((coe1‘𝐴)‘𝑌)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 ifcif 4485 class class class wbr 5108 ↦ cmpt 5192 ‘cfv 6566 (class class class)co 7451 ℝcr 11238 + caddc 11242 ≤ cle 11383 − cmin 11580 ℕ0cn0 12646 Basecbs 17431 .rcmulr 17473 0gc0g 17660 .gcmg 19327 mulGrpcmgp 20411 Ringcrg 20510 var1cv1 22549 Poly1cpl1 22550 coe1cco1 22551 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-of 7725 df-ofr 7726 df-om 7912 df-1st 8035 df-2nd 8036 df-supp 8215 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-2o 8515 df-er 8755 df-map 8887 df-pm 8888 df-ixp 8964 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-fsupp 9392 df-sup 9471 df-oi 9541 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-fz 13680 df-fzo 13829 df-seq 14185 df-hash 14516 df-struct 17369 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-ress 17453 df-plusg 17486 df-mulr 17487 df-sca 17489 df-vsca 17490 df-ip 17491 df-tset 17492 df-ple 17493 df-ds 17495 df-hom 17497 df-cco 17498 df-0g 17662 df-gsum 17663 df-prds 17668 df-pws 17670 df-mre 17806 df-mrc 17807 df-acs 17809 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-mhm 19028 df-submnd 19029 df-grp 19197 df-minusg 19198 df-sbg 19199 df-mulg 19328 df-subg 19383 df-ghm 19478 df-cntz 19582 df-cmn 20047 df-abl 20048 df-mgp 20412 df-rng 20426 df-ur 20459 df-ring 20512 df-subrng 20849 df-subrg 20873 df-lmod 21188 df-lss 21258 df-psr 22272 df-mvr 22273 df-mpl 22274 df-opsr 22276 df-psr1 22553 df-vr1 22554 df-ply1 22555 df-coe1 22556 |
| This theorem is used by: hbtlem4 44393 |
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