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Mirrors > Home > MPE Home > Th. List > Mathboxes > rhmsubcALTVcat | Structured version Visualization version GIF version |
Description: The restriction of the category of non-unital rings to the set of unital ring homomorphisms is a category. (Contributed by AV, 4-Mar-2020.) (New usage is discouraged.) |
Ref | Expression |
---|---|
rngcrescrhmALTV.u | โข (๐ โ ๐ โ ๐) |
rngcrescrhmALTV.c | โข ๐ถ = (RngCatALTVโ๐) |
rngcrescrhmALTV.r | โข (๐ โ ๐ = (Ring โฉ ๐)) |
rngcrescrhmALTV.h | โข ๐ป = ( RingHom โพ (๐ ร ๐ )) |
Ref | Expression |
---|---|
rhmsubcALTVcat | โข (๐ โ ((RngCatALTVโ๐) โพcat ๐ป) โ Cat) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2731 | . 2 โข ((RngCatALTVโ๐) โพcat ๐ป) = ((RngCatALTVโ๐) โพcat ๐ป) | |
2 | rngcrescrhmALTV.u | . . 3 โข (๐ โ ๐ โ ๐) | |
3 | rngcrescrhmALTV.c | . . 3 โข ๐ถ = (RngCatALTVโ๐) | |
4 | rngcrescrhmALTV.r | . . 3 โข (๐ โ ๐ = (Ring โฉ ๐)) | |
5 | rngcrescrhmALTV.h | . . 3 โข ๐ป = ( RingHom โพ (๐ ร ๐ )) | |
6 | 2, 3, 4, 5 | rhmsubcALTV 47096 | . 2 โข (๐ โ ๐ป โ (Subcatโ(RngCatALTVโ๐))) |
7 | 1, 6 | subccat 17803 | 1 โข (๐ โ ((RngCatALTVโ๐) โพcat ๐ป) โ Cat) |
Colors of variables: wff setvar class |
Syntax hints: โ wi 4 = wceq 1540 โ wcel 2105 โฉ cin 3948 ร cxp 5675 โพ cres 5679 โcfv 6544 (class class class)co 7412 Catccat 17613 โพcat cresc 17760 Ringcrg 20128 RingHom crh 20361 RngCatALTVcrngcALTV 46946 |
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 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7728 ax-cnex 11169 ax-resscn 11170 ax-1cn 11171 ax-icn 11172 ax-addcl 11173 ax-addrcl 11174 ax-mulcl 11175 ax-mulrcl 11176 ax-mulcom 11177 ax-addass 11178 ax-mulass 11179 ax-distr 11180 ax-i2m1 11181 ax-1ne0 11182 ax-1rid 11183 ax-rnegex 11184 ax-rrecex 11185 ax-cnre 11186 ax-pre-lttri 11187 ax-pre-lttrn 11188 ax-pre-ltadd 11189 ax-pre-mulgt0 11190 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-uni 4910 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7859 df-1st 7978 df-2nd 7979 df-frecs 8269 df-wrecs 8300 df-recs 8374 df-rdg 8413 df-1o 8469 df-er 8706 df-map 8825 df-pm 8826 df-ixp 8895 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-pnf 11255 df-mnf 11256 df-xr 11257 df-ltxr 11258 df-le 11259 df-sub 11451 df-neg 11452 df-nn 12218 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 df-n0 12478 df-z 12564 df-dec 12683 df-uz 12828 df-fz 13490 df-struct 17085 df-sets 17102 df-slot 17120 df-ndx 17132 df-base 17150 df-ress 17179 df-plusg 17215 df-hom 17226 df-cco 17227 df-0g 17392 df-cat 17617 df-cid 17618 df-homf 17619 df-ssc 17762 df-resc 17763 df-subc 17764 df-mgm 18566 df-mgmhm 18618 df-sgrp 18645 df-mnd 18661 df-mhm 18706 df-grp 18859 df-minusg 18860 df-ghm 19129 df-cmn 19692 df-abl 19693 df-mgp 20030 df-rng 20048 df-ur 20077 df-ring 20130 df-rnghm 20328 df-rhm 20364 df-rngcALTV 46948 |
This theorem is referenced by: (None) |
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