q1peqb - Metamath Proof Explorer

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Theorem q1peqb 23914

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 3212	. . . 4 ⊢ (𝑋 ∈ 𝐵 → 𝑋 ∈ V)
2	1	adantr 481	. . 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 6678	. . . 4 ⊢ (𝐹𝑄𝐺) ∈ V
5		eleq1 2689	. . . 4 ⊢ ((𝐹𝑄𝐺) = 𝑋 → ((𝐹𝑄𝐺) ∈ V ↔ 𝑋 ∈ V))
6	4, 5	mpbii 223	. . 3 ⊢ ((𝐹𝑄𝐺) = 𝑋 → 𝑋 ∈ V)
7	6	a1i 11	. 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ((𝐹𝑄𝐺) = 𝑋 → 𝑋 ∈ V))
8		simpr 477	. . . . 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 2622	. . . . . . . 8 ⊢ (0_g‘𝑃) = (0_g‘𝑃)
14		q1pval.t	. . . . . . . 8 ⊢ · = (._r‘𝑃)
15		simp1 1061	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝑅 ∈ Ring)
16		simp2 1062	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝐹 ∈ 𝐵)
17		q1peqb.c	. . . . . . . . . 10 ⊢ 𝐶 = (Unic_1p‘𝑅)
18	9, 11, 17	uc1pcl 23903	. . . . . . . . 9 ⊢ (𝐺 ∈ 𝐶 → 𝐺 ∈ 𝐵)
19	18	3ad2ant3 1084	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝐺 ∈ 𝐵)
20	9, 13, 17	uc1pn0 23905	. . . . . . . . 9 ⊢ (𝐺 ∈ 𝐶 → 𝐺 ≠ (0_g‘𝑃))
21	20	3ad2ant3 1084	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → 𝐺 ≠ (0_g‘𝑃))
22		eqid 2622	. . . . . . . . . 10 ⊢ (Unit‘𝑅) = (Unit‘𝑅)
23	10, 22, 17	uc1pldg 23908	. . . . . . . . 9 ⊢ (𝐺 ∈ 𝐶 → ((coe₁‘𝐺)‘(𝐷‘𝐺)) ∈ (Unit‘𝑅))
24	23	3ad2ant3 1084	. . . . . . . 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 23898	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ∃!𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))
26		df-reu 2919	. . . . . . 7 ⊢ (∃!𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺) ↔ ∃!𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
27	25, 26	sylib 208	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → ∃!𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
28	27	adantr 481	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → ∃!𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
29		eleq1 2689	. . . . . . 7 ⊢ (𝑞 = 𝑋 → (𝑞 ∈ 𝐵 ↔ 𝑋 ∈ 𝐵))
30		oveq1 6657	. . . . . . . . . 10 ⊢ (𝑞 = 𝑋 → (𝑞 · 𝐺) = (𝑋 · 𝐺))
31	30	oveq2d 6666	. . . . . . . . 9 ⊢ (𝑞 = 𝑋 → (𝐹 − (𝑞 · 𝐺)) = (𝐹 − (𝑋 · 𝐺)))
32	31	fveq2d 6195	. . . . . . . 8 ⊢ (𝑞 = 𝑋 → (𝐷‘(𝐹 − (𝑞 · 𝐺))) = (𝐷‘(𝐹 − (𝑋 · 𝐺))))
33	32	breq1d 4663	. . . . . . 7 ⊢ (𝑞 = 𝑋 → ((𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺) ↔ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)))
34	29, 33	anbi12d 747	. . . . . 6 ⊢ (𝑞 = 𝑋 → ((𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺))))
35	34	adantl 482	. . . . 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 5876	. . . 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 23913	. . . . . . . 8 ⊢ ((𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐵) → (𝐹𝑄𝐺) = (℩𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
39	16, 19, 38	syl2anc 693	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → (𝐹𝑄𝐺) = (℩𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
40		df-riota 6611	. . . . . . 7 ⊢ (℩𝑞 ∈ 𝐵 (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)) = (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺)))
41	39, 40	syl6eq 2672	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) → (𝐹𝑄𝐺) = (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))))
42	41	adantr 481	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → (𝐹𝑄𝐺) = (℩𝑞(𝑞 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑞 · 𝐺))) < (𝐷‘𝐺))))
43	42	eqeq1d 2624	. . . 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 271	. . 3 ⊢ (((𝑅 ∈ Ring ∧ 𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐶) ∧ 𝑋 ∈ V) → ((𝑋 ∈ 𝐵 ∧ (𝐷‘(𝐹 − (𝑋 · 𝐺))) < (𝐷‘𝐺)) ↔ (𝐹𝑄𝐺) = 𝑋))
45	44	ex 450	. 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 369	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 196 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ∃!weu 2470 ≠ wne 2794 ∃!wreu 2914 Vcvv 3200 class class class wbr 4653 ℩cio 5849 ‘cfv 5888 ℩crio 6610 (class class class)co 6650 < clt 10074 Basecbs 15857 ._rcmulr 15942 0_gc0g 16100 -_gcsg 17424 Ringcrg 18547 Unitcui 18639 Poly₁cpl1 19547 coe₁cco1 19548 deg₁ cdg1 23814 Unic_1pcuc1p 23886 quot_1pcq1p 23887

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-inf2 8538 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 ax-addf 10015 ax-mulf 10016

This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-iin 4523 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-of 6897 df-ofr 6898 df-om 7066 df-1st 7168 df-2nd 7169 df-supp 7296 df-tpos 7352 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-2o 7561 df-oadd 7564 df-er 7742 df-map 7859 df-pm 7860 df-ixp 7909 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-fsupp 8276 df-sup 8348 df-oi 8415 df-card 8765 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-n0 11293 df-z 11378 df-dec 11494 df-uz 11688 df-fz 12327 df-fzo 12466 df-seq 12802 df-hash 13118 df-struct 15859 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-ress 15865 df-plusg 15954 df-mulr 15955 df-starv 15956 df-sca 15957 df-vsca 15958 df-tset 15960 df-ple 15961 df-ds 15964 df-unif 15965 df-0g 16102 df-gsum 16103 df-mre 16246 df-mrc 16247 df-acs 16249 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-mhm 17335 df-submnd 17336 df-grp 17425 df-minusg 17426 df-sbg 17427 df-mulg 17541 df-subg 17591 df-ghm 17658 df-cntz 17750 df-cmn 18195 df-abl 18196 df-mgp 18490 df-ur 18502 df-ring 18549 df-cring 18550 df-oppr 18623 df-dvdsr 18641 df-unit 18642 df-invr 18672 df-subrg 18778 df-lmod 18865 df-lss 18933 df-rlreg 19283 df-psr 19356 df-mvr 19357 df-mpl 19358 df-opsr 19360 df-psr1 19550 df-vr1 19551 df-ply1 19552 df-coe1 19553 df-cnfld 19747 df-mdeg 23815 df-deg1 23816 df-uc1p 23891 df-q1p 23892

This theorem is referenced by: q1pcl 23915 r1pdeglt 23918 dvdsq1p 23920

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