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Mirrors > Home > MPE Home > Th. List > reschomf | Structured version Visualization version GIF version |
Description: Hom-sets of the category restriction. (Contributed by Mario Carneiro, 4-Jan-2017.) |
Ref | Expression |
---|---|
rescbas.d | ⊢ 𝐷 = (𝐶 ↾cat 𝐻) |
rescbas.b | ⊢ 𝐵 = (Base‘𝐶) |
rescbas.c | ⊢ (𝜑 → 𝐶 ∈ 𝑉) |
rescbas.h | ⊢ (𝜑 → 𝐻 Fn (𝑆 × 𝑆)) |
rescbas.s | ⊢ (𝜑 → 𝑆 ⊆ 𝐵) |
Ref | Expression |
---|---|
reschomf | ⊢ (𝜑 → 𝐻 = (Homf ‘𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rescbas.d | . . . 4 ⊢ 𝐷 = (𝐶 ↾cat 𝐻) | |
2 | rescbas.b | . . . 4 ⊢ 𝐵 = (Base‘𝐶) | |
3 | rescbas.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑉) | |
4 | rescbas.h | . . . 4 ⊢ (𝜑 → 𝐻 Fn (𝑆 × 𝑆)) | |
5 | rescbas.s | . . . 4 ⊢ (𝜑 → 𝑆 ⊆ 𝐵) | |
6 | 1, 2, 3, 4, 5 | reschom 17543 | . . 3 ⊢ (𝜑 → 𝐻 = (Hom ‘𝐷)) |
7 | 1, 2, 3, 4, 5 | rescbas 17541 | . . . . . . 7 ⊢ (𝜑 → 𝑆 = (Base‘𝐷)) |
8 | 7 | sqxpeqd 5621 | . . . . . 6 ⊢ (𝜑 → (𝑆 × 𝑆) = ((Base‘𝐷) × (Base‘𝐷))) |
9 | 6, 8 | fneq12d 6528 | . . . . 5 ⊢ (𝜑 → (𝐻 Fn (𝑆 × 𝑆) ↔ (Hom ‘𝐷) Fn ((Base‘𝐷) × (Base‘𝐷)))) |
10 | 4, 9 | mpbid 231 | . . . 4 ⊢ (𝜑 → (Hom ‘𝐷) Fn ((Base‘𝐷) × (Base‘𝐷))) |
11 | fnov 7405 | . . . 4 ⊢ ((Hom ‘𝐷) Fn ((Base‘𝐷) × (Base‘𝐷)) ↔ (Hom ‘𝐷) = (𝑥 ∈ (Base‘𝐷), 𝑦 ∈ (Base‘𝐷) ↦ (𝑥(Hom ‘𝐷)𝑦))) | |
12 | 10, 11 | sylib 217 | . . 3 ⊢ (𝜑 → (Hom ‘𝐷) = (𝑥 ∈ (Base‘𝐷), 𝑦 ∈ (Base‘𝐷) ↦ (𝑥(Hom ‘𝐷)𝑦))) |
13 | 6, 12 | eqtrd 2778 | . 2 ⊢ (𝜑 → 𝐻 = (𝑥 ∈ (Base‘𝐷), 𝑦 ∈ (Base‘𝐷) ↦ (𝑥(Hom ‘𝐷)𝑦))) |
14 | eqid 2738 | . . 3 ⊢ (Homf ‘𝐷) = (Homf ‘𝐷) | |
15 | eqid 2738 | . . 3 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
16 | eqid 2738 | . . 3 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
17 | 14, 15, 16 | homffval 17399 | . 2 ⊢ (Homf ‘𝐷) = (𝑥 ∈ (Base‘𝐷), 𝑦 ∈ (Base‘𝐷) ↦ (𝑥(Hom ‘𝐷)𝑦)) |
18 | 13, 17 | eqtr4di 2796 | 1 ⊢ (𝜑 → 𝐻 = (Homf ‘𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2106 ⊆ wss 3887 × cxp 5587 Fn wfn 6428 ‘cfv 6433 (class class class)co 7275 ∈ cmpo 7277 Basecbs 16912 Hom chom 16973 Homf chomf 17375 ↾cat cresc 17520 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-hom 16986 df-cco 16987 df-homf 17379 df-resc 17523 |
This theorem is referenced by: subsubc 17568 |
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