mpfaddcl - Metamath Proof Explorer

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Theorem mpfaddcl 22050

Description: The sum of multivariate polynomial functions. (Contributed by Mario Carneiro, 19-Mar-2015.)

**Hypotheses**
Ref	Expression
mpfsubrg.q	⊢ 𝑄 = ran ((𝐼 evalSub 𝑆)‘𝑅)
mpfaddcl.p	⊢ + = (+_g‘𝑆)

**Assertion**
Ref	Expression
mpfaddcl	⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐹 ∘_f + 𝐺) ∈ 𝑄)

**Proof of Theorem mpfaddcl**
Step	Hyp	Ref	Expression
1		eqid 2728	. . 3 ⊢ (𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)) = (𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))
2		eqid 2728	. . 3 ⊢ (Base‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))) = (Base‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)))
3		mpfsubrg.q	. . . . . 6 ⊢ 𝑄 = ran ((𝐼 evalSub 𝑆)‘𝑅)
4	3	mpfrcl 22030	. . . . 5 ⊢ (𝐹 ∈ 𝑄 → (𝐼 ∈ V ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)))
5	4	adantr 480	. . . 4 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐼 ∈ V ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)))
6	5	simp2d 1141	. . 3 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝑆 ∈ CRing)
7		ovexd 7455	. . 3 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → ((Base‘𝑆) ↑_m 𝐼) ∈ V)
8	3	mpfsubrg 22048	. . . . . 6 ⊢ ((𝐼 ∈ V ∧ 𝑆 ∈ CRing ∧ 𝑅 ∈ (SubRing‘𝑆)) → 𝑄 ∈ (SubRing‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))))
9	5, 8	syl 17	. . . . 5 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝑄 ∈ (SubRing‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))))
10	2	subrgss 20510	. . . . 5 ⊢ (𝑄 ∈ (SubRing‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))) → 𝑄 ⊆ (Base‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))))
11	9, 10	syl 17	. . . 4 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝑄 ⊆ (Base‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))))
12		simpl 482	. . . 4 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝐹 ∈ 𝑄)
13	11, 12	sseldd 3981	. . 3 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝐹 ∈ (Base‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))))
14		simpr 484	. . . 4 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝐺 ∈ 𝑄)
15	11, 14	sseldd 3981	. . 3 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → 𝐺 ∈ (Base‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))))
16		mpfaddcl.p	. . 3 ⊢ + = (+_g‘𝑆)
17		eqid 2728	. . 3 ⊢ (+_g‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))) = (+_g‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)))
18	1, 2, 6, 7, 13, 15, 16, 17	pwsplusgval 17471	. 2 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐹(+_g‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)))𝐺) = (𝐹 ∘_f + 𝐺))
19	17	subrgacl 20521	. . . 4 ⊢ ((𝑄 ∈ (SubRing‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))) ∧ 𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐹(+_g‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)))𝐺) ∈ 𝑄)
20	19	3expib 1120	. . 3 ⊢ (𝑄 ∈ (SubRing‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼))) → ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐹(+_g‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)))𝐺) ∈ 𝑄))
21	9, 20	mpcom 38	. 2 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐹(+_g‘(𝑆 ↑_s ((Base‘𝑆) ↑_m 𝐼)))𝐺) ∈ 𝑄)
22	18, 21	eqeltrrd 2830	1 ⊢ ((𝐹 ∈ 𝑄 ∧ 𝐺 ∈ 𝑄) → (𝐹 ∘_f + 𝐺) ∈ 𝑄)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1534 ∈ wcel 2099 Vcvv 3471 ⊆ wss 3947 ran crn 5679 ‘cfv 6548 (class class class)co 7420 ∘_f cof 7683 ↑_m cmap 8844 Basecbs 17179 +_gcplusg 17232 ↑_s cpws 17427 CRingccrg 20173 SubRingcsubrg 20505 evalSub ces 22015

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215

This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3373 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-uni 4909 df-int 4950 df-iun 4998 df-iin 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-se 5634 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-isom 6557 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-of 7685 df-ofr 7686 df-om 7871 df-1st 7993 df-2nd 7994 df-supp 8166 df-frecs 8286 df-wrecs 8317 df-recs 8391 df-rdg 8430 df-1o 8486 df-er 8724 df-map 8846 df-pm 8847 df-ixp 8916 df-en 8964 df-dom 8965 df-sdom 8966 df-fin 8967 df-fsupp 9386 df-sup 9465 df-oi 9533 df-card 9962 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12503 df-z 12589 df-dec 12708 df-uz 12853 df-fz 13517 df-fzo 13660 df-seq 13999 df-hash 14322 df-struct 17115 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-ress 17209 df-plusg 17245 df-mulr 17246 df-sca 17248 df-vsca 17249 df-ip 17250 df-tset 17251 df-ple 17252 df-ds 17254 df-hom 17256 df-cco 17257 df-0g 17422 df-gsum 17423 df-prds 17428 df-pws 17430 df-mre 17565 df-mrc 17566 df-acs 17568 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-mhm 18739 df-submnd 18740 df-grp 18892 df-minusg 18893 df-sbg 18894 df-mulg 19023 df-subg 19077 df-ghm 19167 df-cntz 19267 df-cmn 19736 df-abl 19737 df-mgp 20074 df-rng 20092 df-ur 20121 df-srg 20126 df-ring 20174 df-cring 20175 df-rhm 20410 df-subrng 20482 df-subrg 20507 df-lmod 20744 df-lss 20815 df-lsp 20855 df-assa 21786 df-asp 21787 df-ascl 21788 df-psr 21841 df-mvr 21842 df-mpl 21843 df-evls 22017

This theorem is referenced by: mzpmfp 42167

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