selvcllem5 - Metamath Proof Explorer

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Theorem selvcllem5 22271

Description: The fifth argument passed to evalSub is in the domain (a function 𝐼⟶𝐸). (Contributed by SN, 22-Feb-2024.)

**Hypotheses**
Ref	Expression
selvcllem5.u	⊢ 𝑈 = ((𝐼 ∖ 𝐽) mPoly 𝑅)
selvcllem5.t	⊢ 𝑇 = (𝐽 mPoly 𝑈)
selvcllem5.c	⊢ 𝐶 = (algSc‘𝑇)
selvcllem5.e	⊢ 𝐸 = (Base‘𝑇)
selvcllem5.f	⊢ 𝐹 = (𝑥 ∈ 𝐼 ↦ if(𝑥 ∈ 𝐽, ((𝐽 mVar 𝑈)‘𝑥), (𝐶‘(((𝐼 ∖ 𝐽) mVar 𝑅)‘𝑥))))
selvcllem5.i	⊢ (𝜑 → 𝐼 ∈ 𝑉)
selvcllem5.r	⊢ (𝜑 → 𝑅 ∈ CRing)
selvcllem5.j	⊢ (𝜑 → 𝐽 ⊆ 𝐼)

**Assertion**
Ref	Expression
selvcllem5	⊢ (𝜑 → 𝐹 ∈ (𝐸 ↑_m 𝐼))

Distinct variable groups: 𝑥,𝐸 𝑥,𝐼 𝜑,𝑥 Allowed substitution hints: 𝐶(𝑥) 𝑅(𝑥) 𝑇(𝑥) 𝑈(𝑥) 𝐹(𝑥) 𝐽(𝑥) 𝑉(𝑥)

**Proof of Theorem selvcllem5**
Step	Hyp	Ref	Expression
1		selvcllem5.e	. . . 4 ⊢ 𝐸 = (Base‘𝑇)
2	1	fvexi 6897	. . 3 ⊢ 𝐸 ∈ V
3	2	a1i 11	. 2 ⊢ (𝜑 → 𝐸 ∈ V)
4		selvcllem5.i	. 2 ⊢ (𝜑 → 𝐼 ∈ 𝑉)
5		selvcllem5.t	. . . . . 6 ⊢ 𝑇 = (𝐽 mPoly 𝑈)
6		eqid 2763	. . . . . 6 ⊢ (𝐽 mVar 𝑈) = (𝐽 mVar 𝑈)
7		selvcllem5.j	. . . . . . . 8 ⊢ (𝜑 → 𝐽 ⊆ 𝐼)
8	4, 7	ssexd 5296	. . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ V)
9	8	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐽) → 𝐽 ∈ V)
10		selvcllem5.u	. . . . . . . 8 ⊢ 𝑈 = ((𝐼 ∖ 𝐽) mPoly 𝑅)
11	4	difexd 5303	. . . . . . . 8 ⊢ (𝜑 → (𝐼 ∖ 𝐽) ∈ V)
12		selvcllem5.r	. . . . . . . . 9 ⊢ (𝜑 → 𝑅 ∈ CRing)
13	12	crngringd 20329	. . . . . . . 8 ⊢ (𝜑 → 𝑅 ∈ Ring)
14	10, 11, 13	mplringd 22153	. . . . . . 7 ⊢ (𝜑 → 𝑈 ∈ Ring)
15	14	adantr 485	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐽) → 𝑈 ∈ Ring)
16		simpr 489	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐽) → 𝑥 ∈ 𝐽)
17	5, 6, 1, 9, 15, 16	mvrcl 22122	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐽) → ((𝐽 mVar 𝑈)‘𝑥) ∈ 𝐸)
18	17	adantlr 727	. . . 4 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ 𝑥 ∈ 𝐽) → ((𝐽 mVar 𝑈)‘𝑥) ∈ 𝐸)
19		eqid 2763	. . . . . . 7 ⊢ (Base‘𝑈) = (Base‘𝑈)
20		selvcllem5.c	. . . . . . 7 ⊢ 𝐶 = (algSc‘𝑇)
21	5, 1, 19, 20, 8, 14	mplasclf 22197	. . . . . 6 ⊢ (𝜑 → 𝐶:(Base‘𝑈)⟶𝐸)
22	21	ad2antrr 738	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ ¬ 𝑥 ∈ 𝐽) → 𝐶:(Base‘𝑈)⟶𝐸)
23		eqid 2763	. . . . . 6 ⊢ ((𝐼 ∖ 𝐽) mVar 𝑅) = ((𝐼 ∖ 𝐽) mVar 𝑅)
24	11	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ ¬ 𝑥 ∈ 𝐽) → (𝐼 ∖ 𝐽) ∈ V)
25	13	ad2antrr 738	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ ¬ 𝑥 ∈ 𝐽) → 𝑅 ∈ Ring)
26		eldif 3916	. . . . . . . 8 ⊢ (𝑥 ∈ (𝐼 ∖ 𝐽) ↔ (𝑥 ∈ 𝐼 ∧ ¬ 𝑥 ∈ 𝐽))
27	26	biimpri 231	. . . . . . 7 ⊢ ((𝑥 ∈ 𝐼 ∧ ¬ 𝑥 ∈ 𝐽) → 𝑥 ∈ (𝐼 ∖ 𝐽))
28	27	adantll 726	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ ¬ 𝑥 ∈ 𝐽) → 𝑥 ∈ (𝐼 ∖ 𝐽))
29	10, 23, 19, 24, 25, 28	mvrcl 22122	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ ¬ 𝑥 ∈ 𝐽) → (((𝐼 ∖ 𝐽) mVar 𝑅)‘𝑥) ∈ (Base‘𝑈))
30	22, 29	ffvelcdmd 7082	. . . 4 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐼) ∧ ¬ 𝑥 ∈ 𝐽) → (𝐶‘(((𝐼 ∖ 𝐽) mVar 𝑅)‘𝑥)) ∈ 𝐸)
31	18, 30	ifclda 4524	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐼) → if(𝑥 ∈ 𝐽, ((𝐽 mVar 𝑈)‘𝑥), (𝐶‘(((𝐼 ∖ 𝐽) mVar 𝑅)‘𝑥))) ∈ 𝐸)
32		selvcllem5.f	. . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐼 ↦ if(𝑥 ∈ 𝐽, ((𝐽 mVar 𝑈)‘𝑥), (𝐶‘(((𝐼 ∖ 𝐽) mVar 𝑅)‘𝑥))))
33	31, 32	fmptd 7111	. 2 ⊢ (𝜑 → 𝐹:𝐼⟶𝐸)
34	3, 4, 33	elmapdd 8839	1 ⊢ (𝜑 → 𝐹 ∈ (𝐸 ↑_m 𝐼))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 Vcvv 3455 ∖ cdif 3903 ⊆ wss 3906 ifcif 4488 ↦ cmpt 5193 ⟶wf 6534 ‘cfv 6538 (class class class)co 7412 ↑_m cmap 8825 Basecbs 17270 Ringcrg 20316 CRingccrg 20317 algSccascl 21983 mVar cmvr 22036 mPoly cmpl 22037

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5239 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178

This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-tp 4595 df-op 4597 df-uni 4874 df-int 4914 df-iun 4959 df-iin 4960 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-se 5617 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-isom 6547 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7676 df-ofr 7677 df-om 7864 df-1st 7987 df-2nd 7988 df-supp 8158 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-1o 8454 df-2o 8455 df-er 8695 df-map 8827 df-pm 8828 df-ixp 8897 df-en 8945 df-dom 8946 df-sdom 8947 df-fin 8948 df-fsupp 9323 df-sup 9403 df-oi 9473 df-card 9926 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-nn 12235 df-2 12304 df-3 12305 df-4 12306 df-5 12307 df-6 12308 df-7 12309 df-8 12310 df-9 12311 df-n0 12506 df-z 12593 df-dec 12713 df-uz 12864 df-fz 13537 df-fzo 13685 df-seq 14040 df-hash 14369 df-struct 17208 df-sets 17225 df-slot 17243 df-ndx 17255 df-base 17271 df-ress 17292 df-plusg 17324 df-mulr 17325 df-sca 17327 df-vsca 17328 df-ip 17329 df-tset 17330 df-ple 17331 df-ds 17333 df-hom 17335 df-cco 17336 df-0g 17495 df-gsum 17496 df-prds 17501 df-pws 17503 df-mre 17639 df-mrc 17640 df-acs 17642 df-mgm 18699 df-sgrp 18778 df-mnd 18794 df-mhm 18842 df-submnd 18843 df-grp 19004 df-minusg 19005 df-sbg 19006 df-mulg 19135 df-subg 19190 df-ghm 19285 df-cntz 19388 df-cmn 19853 df-abl 19854 df-mgp 20218 df-rng 20232 df-ur 20265 df-ring 20318 df-cring 20319 df-subrng 20632 df-subrg 20656 df-lmod 20964 df-lss 21034 df-ascl 21986 df-psr 22040 df-mvr 22041 df-mpl 22042

This theorem is referenced by: selvcl 22272 selvadd 22275 selvmul 22276

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