q1peqb - Metamath Proof Explorer

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Theorem q1peqb 25224

Description: Characterizing property of the polynomial quotient. (Contributed by Stefan O'Rear, 28-Mar-2015.)

**Hypotheses**
Ref	Expression
q1pval.q	⊢ 𝑄 = (quot_1p‘𝑅)
q1pval.p	⊢ 𝑃 = (Poly₁‘𝑅)
q1pval.b	⊢ 𝐵 = (Base‘𝑃)
q1pval.d	⊢ 𝐷 = ( deg₁ ‘𝑅)
q1pval.m	⊢ − = (-_g‘𝑃)
q1pval.t	⊢ · = (._r‘𝑃)
q1peqb.c	⊢ 𝐶 = (Unic_1p‘𝑅)

**Assertion**
Ref	Expression
q1peqb	⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝐹𝑄𝐺) = 𝑋))

Proof of Theorem q1peqb Dummy variable 𝑞 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		elex 3440	. . . 4 ⊢ (𝑋 ∈ 𝐵 → 𝑋 ∈ V)
2	1	adantr 480	. . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) → 𝑋 ∈ V)
3	2	a1i 11	. 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) → 𝑋 ∈ V))
4		ovex 7288	. . . 4 ⊢ (𝐹𝑄𝐺) ∈ V
5		eleq1 2826	. . . 4 ⊢ ((𝐹𝑄𝐺) = 𝑋 → ((𝐹𝑄𝐺) ∈ V ↔ 𝑋 ∈ V))
6	4, 5	mpbii 232	. . 3 ⊢ ((𝐹𝑄𝐺) = 𝑋 → 𝑋 ∈ V)
7	6	a1i 11	. 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ((𝐹𝑄𝐺) = 𝑋 → 𝑋 ∈ V))
8		simpr 484	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → 𝑋 ∈ V)
9		q1pval.p	. . . . . . . 8 ⊢ 𝑃 = (Poly₁‘𝑅)
10		q1pval.d	. . . . . . . 8 ⊢ 𝐷 = ( deg₁ ‘𝑅)
11		q1pval.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝑃)
12		q1pval.m	. . . . . . . 8 ⊢ − = (-_g‘𝑃)
13		eqid 2738	. . . . . . . 8 ⊢ (0_g‘𝑃) = (0_g‘𝑃)
14		q1pval.t	. . . . . . . 8 ⊢ · = (._r‘𝑃)
15		simp1 1134	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝑅 ∈ Ring)
16		simp2 1135	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝐹 ∈ 𝐵)
17		q1peqb.c	. . . . . . . . . 10 ⊢ 𝐶 = (Unic_1p‘𝑅)
18	9, 11, 17	uc1pcl 25213	. . . . . . . . 9 ⊢ (𝐺 ∈ 𝐶 → 𝐺 ∈ 𝐵)
19	18	3ad2ant3 1133	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝐺 ∈ 𝐵)
20	9, 13, 17	uc1pn0 25215	. . . . . . . . 9 ⊢ (𝐺 ∈ 𝐶 → 𝐺 ≠ (0_g‘𝑃))
21	20	3ad2ant3 1133	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝐺 ≠ (0_g‘𝑃))
22		eqid 2738	. . . . . . . . . 10 ⊢ (Unit‘𝑅) = (Unit‘𝑅)
23	10, 22, 17	uc1pldg 25218	. . . . . . . . 9 ⊢ (𝐺 ∈ 𝐶 → ((coe₁‘𝐺)‘(𝐷‘𝐺)) ∈ (Unit‘𝑅))
24	23	3ad2ant3 1133	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ((coe₁‘𝐺)‘(𝐷‘𝐺)) ∈ (Unit‘𝑅))
25	9, 10, 11, 12, 13, 14, 15, 16, 19, 21, 24, 22	ply1divalg2 25208	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ∃!𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))
26		df-reu 3070	. . . . . . 7 ⊢ (∃!𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺) ↔ ∃!𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
27	25, 26	sylib 217	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ∃!𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
28	27	adantr 480	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → ∃!𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
29		eleq1 2826	. . . . . . 7 ⊢ (𝑞 = 𝑋 → (𝑞 ∈ 𝐵 ↔ 𝑋 ∈ 𝐵))
30		oveq1 7262	. . . . . . . . . 10 ⊢ (𝑞 = 𝑋 → (𝑞 · 𝐺) = (𝑋 · 𝐺))
31	30	oveq2d 7271	. . . . . . . . 9 ⊢ (𝑞 = 𝑋 → (𝐹 − (𝑞 · 𝐺)) = (𝐹 − (𝑋 · 𝐺)))
32	31	fveq2d 6760	. . . . . . . 8 ⊢ (𝑞 = 𝑋 → (𝐷‘(𝐹 − (𝑞 · 𝐺))) = (𝐷‘(𝐹 − (𝑋 · 𝐺))))
33	32	breq1d 5080	. . . . . . 7 ⊢ (𝑞 = 𝑋 → ((𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺) ↔ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)))
34	29, 33	anbi12d 630	. . . . . 6 ⊢ (𝑞 = 𝑋 → ((𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺))))
35	34	adantl 481	. . . . 5 ⊢ ((((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) ∧ 𝑞 = 𝑋) → ((𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺))))
36	8, 28, 35	iota2d 6406	. . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) ↔ (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))) = 𝑋))
37		q1pval.q	. . . . . . . . 9 ⊢ 𝑄 = (quot_1p‘𝑅)
38	37, 9, 11, 10, 12, 14	q1pval 25223	. . . . . . . 8 ⊢ ((𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐵) → (𝐹𝑄𝐺) = (℩𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
39	16, 19, 38	syl2anc 583	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → (𝐹𝑄𝐺) = (℩𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
40		df-riota 7212	. . . . . . 7 ⊢ (℩𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)) = (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
41	39, 40	eqtrdi 2795	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → (𝐹𝑄𝐺) = (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))))
42	41	adantr 480	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → (𝐹𝑄𝐺) = (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))))
43	42	eqeq1d 2740	. . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → ((𝐹𝑄𝐺) = 𝑋 ↔ (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))) = 𝑋))
44	36, 43	bitr4d 281	. . 3 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝐹𝑄𝐺) = 𝑋))
45	44	ex 412	. 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → (𝑋 ∈ V → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝐹𝑄𝐺) = 𝑋)))
46	3, 7, 45	pm5.21ndd 380	1 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝐹𝑄𝐺) = 𝑋))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∃!weu 2568 ≠ wne 2942 ∃!wreu 3065 Vcvv 3422 class class class wbr 5070 ℩cio 6374 ‘cfv 6418 ℩crio 7211 (class class class)co 7255 < clt 10940 Basecbs 16840 ._rcmulr 16889 0_gc0g 17067 -_gcsg 18494 Ringcrg 19698 Unitcui 19796 Poly₁cpl1 21258 coe₁cco1 21259 deg₁ cdg1 25121 Unic_1pcuc1p 25196 quot_1pcq1p 25197

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 ax-addf 10881 ax-mulf 10882

This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-ofr 7512 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-tpos 8013 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-pm 8576 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-sup 9131 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-fz 13169 df-fzo 13312 df-seq 13650 df-hash 13973 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-sca 16904 df-vsca 16905 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-0g 17069 df-gsum 17070 df-mre 17212 df-mrc 17213 df-acs 17215 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-mhm 18345 df-submnd 18346 df-grp 18495 df-minusg 18496 df-sbg 18497 df-mulg 18616 df-subg 18667 df-ghm 18747 df-cntz 18838 df-cmn 19303 df-abl 19304 df-mgp 19636 df-ur 19653 df-ring 19700 df-cring 19701 df-oppr 19777 df-dvdsr 19798 df-unit 19799 df-invr 19829 df-subrg 19937 df-lmod 20040 df-lss 20109 df-rlreg 20467 df-cnfld 20511 df-psr 21022 df-mvr 21023 df-mpl 21024 df-opsr 21026 df-psr1 21261 df-vr1 21262 df-ply1 21263 df-coe1 21264 df-mdeg 25122 df-deg1 25123 df-uc1p 25201 df-q1p 25202

This theorem is referenced by: q1pcl 25225 r1pdeglt 25228 dvdsq1p 25230

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