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Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > rhmfn | Structured version Visualization version GIF version |
Description: The mapping of two rings to the ring homomorphisms between them is a function. (Contributed by AV, 1-Mar-2020.) |
Ref | Expression |
---|---|
rhmfn | ⊢ RingHom Fn (Ring × Ring) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfrhm2 19110 | . 2 ⊢ RingHom = (𝑟 ∈ Ring, 𝑠 ∈ Ring ↦ ((𝑟 GrpHom 𝑠) ∩ ((mulGrp‘𝑟) MndHom (mulGrp‘𝑠)))) | |
2 | ovex 6956 | . . 3 ⊢ (𝑟 GrpHom 𝑠) ∈ V | |
3 | 2 | inex1 5038 | . 2 ⊢ ((𝑟 GrpHom 𝑠) ∩ ((mulGrp‘𝑟) MndHom (mulGrp‘𝑠))) ∈ V |
4 | 1, 3 | fnmpt2i 7521 | 1 ⊢ RingHom Fn (Ring × Ring) |
Colors of variables: wff setvar class |
Syntax hints: ∩ cin 3791 × cxp 5355 Fn wfn 6132 ‘cfv 6137 (class class class)co 6924 MndHom cmhm 17723 GrpHom cghm 18045 mulGrpcmgp 18880 Ringcrg 18938 RingHom crh 19105 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2055 ax-8 2109 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-rep 5008 ax-sep 5019 ax-nul 5027 ax-pow 5079 ax-pr 5140 ax-un 7228 ax-cnex 10330 ax-resscn 10331 ax-1cn 10332 ax-icn 10333 ax-addcl 10334 ax-addrcl 10335 ax-mulcl 10336 ax-mulrcl 10337 ax-mulcom 10338 ax-addass 10339 ax-mulass 10340 ax-distr 10341 ax-i2m1 10342 ax-1ne0 10343 ax-1rid 10344 ax-rnegex 10345 ax-rrecex 10346 ax-cnre 10347 ax-pre-lttri 10348 ax-pre-lttrn 10349 ax-pre-ltadd 10350 ax-pre-mulgt0 10351 |
This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3or 1072 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ne 2970 df-nel 3076 df-ral 3095 df-rex 3096 df-reu 3097 df-rab 3099 df-v 3400 df-sbc 3653 df-csb 3752 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-pss 3808 df-nul 4142 df-if 4308 df-pw 4381 df-sn 4399 df-pr 4401 df-tp 4403 df-op 4405 df-uni 4674 df-iun 4757 df-br 4889 df-opab 4951 df-mpt 4968 df-tr 4990 df-id 5263 df-eprel 5268 df-po 5276 df-so 5277 df-fr 5316 df-we 5318 df-xp 5363 df-rel 5364 df-cnv 5365 df-co 5366 df-dm 5367 df-rn 5368 df-res 5369 df-ima 5370 df-pred 5935 df-ord 5981 df-on 5982 df-lim 5983 df-suc 5984 df-iota 6101 df-fun 6139 df-fn 6140 df-f 6141 df-f1 6142 df-fo 6143 df-f1o 6144 df-fv 6145 df-riota 6885 df-ov 6927 df-oprab 6928 df-mpt2 6929 df-om 7346 df-1st 7447 df-2nd 7448 df-wrecs 7691 df-recs 7753 df-rdg 7791 df-er 8028 df-map 8144 df-en 8244 df-dom 8245 df-sdom 8246 df-pnf 10415 df-mnf 10416 df-xr 10417 df-ltxr 10418 df-le 10419 df-sub 10610 df-neg 10611 df-nn 11379 df-2 11442 df-ndx 16262 df-slot 16263 df-base 16265 df-sets 16266 df-plusg 16355 df-0g 16492 df-mhm 17725 df-ghm 18046 df-mgp 18881 df-ur 18893 df-ring 18940 df-rnghom 19108 |
This theorem is referenced by: rhmresfn 43034 dfringc2 43043 rhmsscmap2 43044 rhmsscmap 43045 rhmsscrnghm 43051 rngcresringcat 43055 rngcrescrhm 43110 rngcrescrhmALTV 43128 |
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