Theorem rnrhmsubrg 14389

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 4761	. . 3 |- ( F " ( Base ` M ) ) = ran ( F |` ( Base ` M ) )
2		eqid 2232	. . . . . . 7 |- ( Base ` M ) = ( Base ` M )
3		eqid 2232	. . . . . . 7 |- ( Base ` N ) = ( Base ` N )
4	2, 3	rhmf 14300	. . . . . 6 |- ( F e. ( M RingHom N ) -> F : ( Base ` M ) --> ( Base ` N ) )
5	4	ffnd 5508	. . . . 5 |- ( F e. ( M RingHom N ) -> F Fn ( Base ` M ) )
6		fnresdm 5466	. . . . 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 4985	. . 3 |- ( F e. ( M RingHom N ) -> ran ( F |` ( Base ` M ) ) = ran F )
9	1, 8	eqtr2id 2278	. 2 |- ( F e. ( M RingHom N ) -> ran F = ( F " ( Base ` M ) ) )
10		rhmrcl1 14292	. . . 4 |- ( F e. ( M RingHom N ) -> M e. Ring )
11	2	subrgid 14360	. . . 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 14388	. . 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 2309	1 |- ( F e. ( M RingHom N ) -> ran F e. (SubRing ` N ) )

Syntax hints:   -> wi 4   = wceq 1398   e. wcel 2203   ran crn 4749   |` cres 4750   "cima 4751   Fn wfn 5346   ` cfv 5351  (class class class)co 6049   Basecbs 13204   Ringcrg 14132   RingHom crh 14287  SubRingcsubrg 14354

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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-coll 4224  ax-sep 4227  ax-pow 4286  ax-pr 4321  ax-un 4553  ax-setind 4658  ax-cnex 8217  ax-resscn 8218  ax-1cn 8219  ax-1re 8220  ax-icn 8221  ax-addcl 8222  ax-addrcl 8223  ax-mulcl 8224  ax-addcom 8226  ax-addass 8228  ax-i2m1 8231  ax-0lt1 8232  ax-0id 8234  ax-rnegex 8235  ax-pre-ltirr 8238  ax-pre-lttrn 8240  ax-pre-ltadd 8242

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rmo 2528  df-rab 2529  df-v 2814  df-sbc 3042  df-csb 3138  df-dif 3212  df-un 3214  df-in 3216  df-ss 3223  df-nul 3508  df-pw 3670  df-sn 3694  df-pr 3695  df-op 3697  df-uni 3914  df-int 3949  df-iun 3992  df-br 4109  df-opab 4171  df-mpt 4172  df-id 4413  df-xp 4754  df-rel 4755  df-cnv 4756  df-co 4757  df-dm 4758  df-rn 4759  df-res 4760  df-ima 4761  df-iota 5311  df-fun 5353  df-fn 5354  df-f 5355  df-f1 5356  df-fo 5357  df-f1o 5358  df-fv 5359  df-riota 6002  df-ov 6052  df-oprab 6053  df-mpo 6054  df-1st 6333  df-2nd 6334  df-map 6883  df-pnf 8309  df-mnf 8310  df-ltxr 8312  df-inn 9237  df-2 9295  df-3 9296  df-ndx 13207  df-slot 13208  df-base 13210  df-sets 13211  df-iress 13212  df-plusg 13295  df-mulr 13296  df-0g 13463  df-mgm 13561  df-sgrp 13607  df-mnd 13622  df-mhm 13664  df-submnd 13665  df-grp 13708  df-minusg 13709  df-subg 13879  df-ghm 13950  df-mgp 14057  df-ur 14096  df-ring 14134  df-rhm 14289  df-subrg 14356

This theorem is referenced by: (None)