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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 22607 | . . 3 ⊢ (𝜑 → (coe1‘((𝐷 ↑ 𝑋) · 𝐴)) = (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))) |
| 12 | 11 | fveq1d 6892 | . 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 12678 | . . . 4 ⊢ (𝜑 → (𝐷 + 𝑌) ∈ ℕ0) |
| 15 | breq2 5106 | . . . . . 6 ⊢ (𝑥 = (𝐷 + 𝑌) → (𝐷 ≤ 𝑥 ↔ 𝐷 ≤ (𝐷 + 𝑌))) | |
| 16 | fvoveq1 7447 | . . . . . 6 ⊢ (𝑥 = (𝐷 + 𝑌) → ((coe1‘𝐴)‘(𝑥 − 𝐷)) = ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷))) | |
| 17 | 15, 16 | ifbieq1d 4506 | . . . . 5 ⊢ (𝑥 = (𝐷 + 𝑌) → if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ) = if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 )) |
| 18 | eqid 2760 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 )) = (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 )) | |
| 19 | fvex 6903 | . . . . . 6 ⊢ ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)) ∈ V | |
| 20 | 1 | fvexi 6904 | . . . . . 6 ⊢ 0 ∈ V |
| 21 | 19, 20 | ifex 4532 | . . . . 5 ⊢ if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 ) ∈ V |
| 22 | 17, 18, 21 | fvmpt 6998 | . . . 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 12675 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℝ) |
| 25 | nn0addge1 12659 | . . . . 5 ⊢ ((𝐷 ∈ ℝ ∧ 𝑌 ∈ ℕ0) → 𝐷 ≤ (𝐷 + 𝑌)) | |
| 26 | 24, 13, 25 | syl2anc 596 | . . . 4 ⊢ (𝜑 → 𝐷 ≤ (𝐷 + 𝑌)) |
| 27 | 26 | iftrued 4489 | . . 3 ⊢ (𝜑 → if(𝐷 ≤ (𝐷 + 𝑌), ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)), 0 ) = ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷))) |
| 28 | 10 | nn0cnd 12676 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℂ) |
| 29 | 13 | nn0cnd 12676 | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ ℂ) |
| 30 | 28, 29 | pncan2d 11678 | . . . 4 ⊢ (𝜑 → ((𝐷 + 𝑌) − 𝐷) = 𝑌) |
| 31 | 30 | fveq2d 6894 | . . 3 ⊢ (𝜑 → ((coe1‘𝐴)‘((𝐷 + 𝑌) − 𝐷)) = ((coe1‘𝐴)‘𝑌)) |
| 32 | 23, 27, 31 | 3eqtrd 2799 | . 2 ⊢ (𝜑 → ((𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, ((coe1‘𝐴)‘(𝑥 − 𝐷)), 0 ))‘(𝐷 + 𝑌)) = ((coe1‘𝐴)‘𝑌)) |
| 33 | 12, 32 | eqtrd 2795 | 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 1569 ∈ wcel 2144 ifcif 4481 class class class wbr 5102 ↦ cmpt 5185 ‘cfv 6543 (class class class)co 7424 ℝcr 11206 + caddc 11210 ≤ cle 11351 − cmin 11548 ℕ0cn0 12613 Basecbs 17396 .rcmulr 17438 0gc0g 17619 .gcmg 19286 mulGrpcmgp 20369 Ringcrg 20468 var1cv1 22503 Poly1cpl1 22504 coe1cco1 22505 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-of 7697 df-ofr 7698 df-om 7882 df-1st 8005 df-2nd 8006 df-supp 8184 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-1o 8483 df-2o 8484 df-er 8724 df-map 8856 df-pm 8857 df-ixp 8933 df-en 8981 df-dom 8982 df-sdom 8983 df-fin 8984 df-fsupp 9361 df-sup 9441 df-oi 9511 df-card 10027 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-z 12701 df-dec 12822 df-uz 12973 df-fz 13647 df-fzo 13796 df-seq 14152 df-hash 14482 df-struct 17334 df-sets 17351 df-slot 17369 df-ndx 17381 df-base 17397 df-ress 17418 df-plusg 17450 df-mulr 17451 df-sca 17453 df-vsca 17454 df-ip 17455 df-tset 17456 df-ple 17457 df-ds 17459 df-hom 17461 df-cco 17462 df-0g 17621 df-gsum 17622 df-prds 17627 df-pws 17629 df-mre 17765 df-mrc 17766 df-acs 17768 df-mgm 18825 df-sgrp 18917 df-mnd 18933 df-mhm 18987 df-submnd 18988 df-grp 19156 df-minusg 19157 df-sbg 19158 df-mulg 19287 df-subg 19342 df-ghm 19437 df-cntz 19540 df-cmn 20005 df-abl 20006 df-mgp 20370 df-rng 20384 df-ur 20417 df-ring 20470 df-subrng 20807 df-subrg 20831 df-lmod 21146 df-lss 21216 df-psr 22226 df-mvr 22227 df-mpl 22228 df-opsr 22230 df-psr1 22507 df-vr1 22508 df-ply1 22509 df-coe1 22510 |
| This theorem is used by: hbtlem4 44237 |
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