Theorem rnrhmsubrg 14201

Description: The range of a ring homomorphism is a subring. (Contributed by SN, 18-Nov-2023.)

Assertion

Ref	Expression
rnrhmsubrg	|- ( F e. ( M RingHom N ) -> ran F e. (SubRing ` N ) )

Proof of Theorem rnrhmsubrg

Step	Hyp	Ref	Expression
1		df-ima 4729	. . 3 |- ( F " ( Base ` M ) ) = ran ( F |` ( Base ` M ) )
2		eqid 2229	. . . . . . 7 |- ( Base ` M ) = ( Base ` M )
3		eqid 2229	. . . . . . 7 |- ( Base ` N ) = ( Base ` N )
4	2, 3	rhmf 14112	. . . . . 6 |- ( F e. ( M RingHom N ) -> F : ( Base ` M ) --> ( Base ` N ) )
5	4	ffnd 5470	. . . . 5 |- ( F e. ( M RingHom N ) -> F Fn ( Base ` M ) )
6		fnresdm 5428	. . . . 5 |- ( F Fn ( Base ` M ) -> ( F |` ( Base ` M ) ) = F )
7	5, 6	syl 14	. . . 4 |- ( F e. ( M RingHom N ) -> ( F |` ( Base ` M ) ) = F )
8	7	rneqd 4949	. . 3 |- ( F e. ( M RingHom N ) -> ran ( F |` ( Base ` M ) ) = ran F )
9	1, 8	eqtr2id 2275	. 2 |- ( F e. ( M RingHom N ) -> ran F = ( F " ( Base ` M ) ) )
10		rhmrcl1 14104	. . . 4 |- ( F e. ( M RingHom N ) -> M e. Ring )
11	2	subrgid 14172	. . . 4 |- ( M e. Ring -> ( Base ` M ) e. (SubRing ` M ) )
12	10, 11	syl 14	. . 3 |- ( F e. ( M RingHom N ) -> ( Base ` M ) e. (SubRing ` M ) )
13		rhmima 14200	. . 3 |- ( ( F e. ( M RingHom N ) /\ ( Base ` M ) e. (SubRing ` M ) ) -> ( F " ( Base ` M ) ) e. (SubRing ` N ) )
14	12, 13	mpdan 421	. 2 |- ( F e. ( M RingHom N ) -> ( F " ( Base ` M ) ) e. (SubRing ` N ) )
15	9, 14	eqeltrd 2306	1 |- ( F e. ( M RingHom N ) -> ran F e. (SubRing ` N ) )

Syntax hints:   -> wi 4   = wceq 1395   e. wcel 2200   ran crn 4717   |` cres 4718   "cima 4719   Fn wfn 5309   ` cfv 5314  (class class class)co 5994   Basecbs 13018   Ringcrg 13945   RingHom crh 14099  SubRingcsubrg 14166

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4198  ax-sep 4201  ax-pow 4257  ax-pr 4292  ax-un 4521  ax-setind 4626  ax-cnex 8078  ax-resscn 8079  ax-1cn 8080  ax-1re 8081  ax-icn 8082  ax-addcl 8083  ax-addrcl 8084  ax-mulcl 8085  ax-addcom 8087  ax-addass 8089  ax-i2m1 8092  ax-0lt1 8093  ax-0id 8095  ax-rnegex 8096  ax-pre-ltirr 8099  ax-pre-lttrn 8101  ax-pre-ltadd 8103

This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rmo 2516  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-int 3923  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-id 4381  df-xp 4722  df-rel 4723  df-cnv 4724  df-co 4725  df-dm 4726  df-rn 4727  df-res 4728  df-ima 4729  df-iota 5274  df-fun 5316  df-fn 5317  df-f 5318  df-f1 5319  df-fo 5320  df-f1o 5321  df-fv 5322  df-riota 5947  df-ov 5997  df-oprab 5998  df-mpo 5999  df-1st 6276  df-2nd 6277  df-map 6787  df-pnf 8171  df-mnf 8172  df-ltxr 8174  df-inn 9099  df-2 9157  df-3 9158  df-ndx 13021  df-slot 13022  df-base 13024  df-sets 13025  df-iress 13026  df-plusg 13109  df-mulr 13110  df-0g 13277  df-mgm 13375  df-sgrp 13421  df-mnd 13436  df-mhm 13478  df-submnd 13479  df-grp 13522  df-minusg 13523  df-subg 13693  df-ghm 13764  df-mgp 13870  df-ur 13909  df-ring 13947  df-rhm 14101  df-subrg 14168

This theorem is referenced by: (None)