Theorem rmsupp0 48478

Description: The support of a mapping of a multiplication of zero with a function into a ring is empty. (Contributed by AV, 10-Apr-2019.)

Hypothesis

Ref	Expression
rmsuppss.r	⊢ 𝑅 = (Base‘𝑀)

Assertion

Ref	Expression
rmsupp0	⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → ((𝑣 ∈ 𝑉 ↦ (𝐶(.r‘𝑀)(𝐴‘𝑣))) supp (0g‘𝑀)) = ∅)

Distinct variable groups:   𝑣,𝐴   𝑣,𝐶   𝑣,𝑀   𝑣,𝑅   𝑣,𝑋   𝑣,𝑉

Proof of Theorem rmsupp0

Dummy variable 𝑤 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		fveq2 6822	. . . . 5 ⊢ (𝑣 = 𝑤 → (𝐴‘𝑣) = (𝐴‘𝑤))
2	1	oveq2d 7362	. . . 4 ⊢ (𝑣 = 𝑤 → (𝐶(.r‘𝑀)(𝐴‘𝑣)) = (𝐶(.r‘𝑀)(𝐴‘𝑤)))
3	2	cbvmptv 5193	. . 3 ⊢ (𝑣 ∈ 𝑉 ↦ (𝐶(.r‘𝑀)(𝐴‘𝑣))) = (𝑤 ∈ 𝑉 ↦ (𝐶(.r‘𝑀)(𝐴‘𝑤)))
4		simpl2 1193	. . 3 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → 𝑉 ∈ 𝑋)
5		fvexd 6837	. . 3 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → (0g‘𝑀) ∈ V)
6		ovexd 7381	. . 3 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → (𝐶(.r‘𝑀)(𝐴‘𝑤)) ∈ V)
7	3, 4, 5, 6	mptsuppd 8117	. 2 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → ((𝑣 ∈ 𝑉 ↦ (𝐶(.r‘𝑀)(𝐴‘𝑣))) supp (0g‘𝑀)) = {𝑤 ∈ 𝑉 ∣ (𝐶(.r‘𝑀)(𝐴‘𝑤)) ≠ (0g‘𝑀)})
8		simpll3 1215	. . . . . 6 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → 𝐶 = (0g‘𝑀))
9	8	oveq1d 7361	. . . . 5 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → (𝐶(.r‘𝑀)(𝐴‘𝑤)) = ((0g‘𝑀)(.r‘𝑀)(𝐴‘𝑤)))
10		simpll1 1213	. . . . . 6 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → 𝑀 ∈ Ring)
11		elmapi 8773	. . . . . . . . 9 ⊢ (𝐴 ∈ (𝑅 ↑m 𝑉) → 𝐴:𝑉⟶𝑅)
12		ffvelcdm 7014	. . . . . . . . . . 11 ⊢ ((𝐴:𝑉⟶𝑅 ∧ 𝑤 ∈ 𝑉) → (𝐴‘𝑤) ∈ 𝑅)
13		rmsuppss.r	. . . . . . . . . . 11 ⊢ 𝑅 = (Base‘𝑀)
14	12, 13	eleqtrdi 2841	. . . . . . . . . 10 ⊢ ((𝐴:𝑉⟶𝑅 ∧ 𝑤 ∈ 𝑉) → (𝐴‘𝑤) ∈ (Base‘𝑀))
15	14	ex 412	. . . . . . . . 9 ⊢ (𝐴:𝑉⟶𝑅 → (𝑤 ∈ 𝑉 → (𝐴‘𝑤) ∈ (Base‘𝑀)))
16	11, 15	syl 17	. . . . . . . 8 ⊢ (𝐴 ∈ (𝑅 ↑m 𝑉) → (𝑤 ∈ 𝑉 → (𝐴‘𝑤) ∈ (Base‘𝑀)))
17	16	adantl 481	. . . . . . 7 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → (𝑤 ∈ 𝑉 → (𝐴‘𝑤) ∈ (Base‘𝑀)))
18	17	imp 406	. . . . . 6 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → (𝐴‘𝑤) ∈ (Base‘𝑀))
19		eqid 2731	. . . . . . 7 ⊢ (Base‘𝑀) = (Base‘𝑀)
20		eqid 2731	. . . . . . 7 ⊢ (.r‘𝑀) = (.r‘𝑀)
21		eqid 2731	. . . . . . 7 ⊢ (0g‘𝑀) = (0g‘𝑀)
22	19, 20, 21	ringlz 20211	. . . . . 6 ⊢ ((𝑀 ∈ Ring ∧ (𝐴‘𝑤) ∈ (Base‘𝑀)) → ((0g‘𝑀)(.r‘𝑀)(𝐴‘𝑤)) = (0g‘𝑀))
23	10, 18, 22	syl2anc 584	. . . . 5 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → ((0g‘𝑀)(.r‘𝑀)(𝐴‘𝑤)) = (0g‘𝑀))
24	9, 23	eqtrd 2766	. . . 4 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → (𝐶(.r‘𝑀)(𝐴‘𝑤)) = (0g‘𝑀))
25	24	neeq1d 2987	. . 3 ⊢ ((((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) ∧ 𝑤 ∈ 𝑉) → ((𝐶(.r‘𝑀)(𝐴‘𝑤)) ≠ (0g‘𝑀) ↔ (0g‘𝑀) ≠ (0g‘𝑀)))
26	25	rabbidva 3401	. 2 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → {𝑤 ∈ 𝑉 ∣ (𝐶(.r‘𝑀)(𝐴‘𝑤)) ≠ (0g‘𝑀)} = {𝑤 ∈ 𝑉 ∣ (0g‘𝑀) ≠ (0g‘𝑀)})
27		neirr 2937	. . . . 5 ⊢ ¬ (0g‘𝑀) ≠ (0g‘𝑀)
28	27	a1i 11	. . . 4 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → ¬ (0g‘𝑀) ≠ (0g‘𝑀))
29	28	ralrimivw 3128	. . 3 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → ∀𝑤 ∈ 𝑉 ¬ (0g‘𝑀) ≠ (0g‘𝑀))
30		rabeq0 4335	. . 3 ⊢ ({𝑤 ∈ 𝑉 ∣ (0g‘𝑀) ≠ (0g‘𝑀)} = ∅ ↔ ∀𝑤 ∈ 𝑉 ¬ (0g‘𝑀) ≠ (0g‘𝑀))
31	29, 30	sylibr 234	. 2 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → {𝑤 ∈ 𝑉 ∣ (0g‘𝑀) ≠ (0g‘𝑀)} = ∅)
32	7, 26, 31	3eqtrd 2770	1 ⊢ (((𝑀 ∈ Ring ∧ 𝑉 ∈ 𝑋 ∧ 𝐶 = (0g‘𝑀)) ∧ 𝐴 ∈ (𝑅 ↑m 𝑉)) → ((𝑣 ∈ 𝑉 ↦ (𝐶(.r‘𝑀)(𝐴‘𝑣))) supp (0g‘𝑀)) = ∅)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 395   ∧ w3a 1086   = wceq 1541   ∈ wcel 2111   ≠ wne 2928  ∀wral 3047  {crab 3395  Vcvv 3436  ∅c0 4280   ↦ cmpt 5170  ⟶wf 6477  ‘cfv 6481  (class class class)co 7346   supp csupp 8090   ↑_m cmap 8750  Basecbs 17120  ._rcmulr 17162  0_gc0g 17343  Ringcrg 20151

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5215  ax-sep 5232  ax-nul 5242  ax-pow 5301  ax-pr 5368  ax-un 7668  ax-cnex 11062  ax-resscn 11063  ax-1cn 11064  ax-icn 11065  ax-addcl 11066  ax-addrcl 11067  ax-mulcl 11068  ax-mulrcl 11069  ax-mulcom 11070  ax-addass 11071  ax-mulass 11072  ax-distr 11073  ax-i2m1 11074  ax-1ne0 11075  ax-1rid 11076  ax-rnegex 11077  ax-rrecex 11078  ax-cnre 11079  ax-pre-lttri 11080  ax-pre-lttrn 11081  ax-pre-ltadd 11082  ax-pre-mulgt0 11083

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3737  df-csb 3846  df-dif 3900  df-un 3902  df-in 3904  df-ss 3914  df-pss 3917  df-nul 4281  df-if 4473  df-pw 4549  df-sn 4574  df-pr 4576  df-op 4580  df-uni 4857  df-iun 4941  df-br 5090  df-opab 5152  df-mpt 5171  df-tr 5197  df-id 5509  df-eprel 5514  df-po 5522  df-so 5523  df-fr 5567  df-we 5569  df-xp 5620  df-rel 5621  df-cnv 5622  df-co 5623  df-dm 5624  df-rn 5625  df-res 5626  df-ima 5627  df-pred 6248  df-ord 6309  df-on 6310  df-lim 6311  df-suc 6312  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-f1 6486  df-fo 6487  df-f1o 6488  df-fv 6489  df-riota 7303  df-ov 7349  df-oprab 7350  df-mpo 7351  df-om 7797  df-1st 7921  df-2nd 7922  df-supp 8091  df-frecs 8211  df-wrecs 8242  df-recs 8291  df-rdg 8329  df-er 8622  df-map 8752  df-en 8870  df-dom 8871  df-sdom 8872  df-pnf 11148  df-mnf 11149  df-xr 11150  df-ltxr 11151  df-le 11152  df-sub 11346  df-neg 11347  df-nn 12126  df-2 12188  df-sets 17075  df-slot 17093  df-ndx 17105  df-base 17121  df-plusg 17174  df-0g 17345  df-mgm 18548  df-sgrp 18627  df-mnd 18643  df-grp 18849  df-minusg 18850  df-cmn 19694  df-abl 19695  df-mgp 20059  df-rng 20071  df-ur 20100  df-ring 20153

This theorem is referenced by: (None)