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Mirrors > Home > MPE Home > Th. List > fnfuc | Structured version Visualization version GIF version |
Description: The FuncCat operation is a well-defined function on categories. (Contributed by Mario Carneiro, 12-Jan-2017.) |
Ref | Expression |
---|---|
fnfuc | ⊢ FuncCat Fn (Cat × Cat) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-fuc 16604 | . 2 ⊢ FuncCat = (𝑡 ∈ Cat, 𝑢 ∈ Cat ↦ {〈(Base‘ndx), (𝑡 Func 𝑢)〉, 〈(Hom ‘ndx), (𝑡 Nat 𝑢)〉, 〈(comp‘ndx), (𝑣 ∈ ((𝑡 Func 𝑢) × (𝑡 Func 𝑢)), ℎ ∈ (𝑡 Func 𝑢) ↦ ⦋(1st ‘𝑣) / 𝑓⦌⦋(2nd ‘𝑣) / 𝑔⦌(𝑏 ∈ (𝑔(𝑡 Nat 𝑢)ℎ), 𝑎 ∈ (𝑓(𝑡 Nat 𝑢)𝑔) ↦ (𝑥 ∈ (Base‘𝑡) ↦ ((𝑏‘𝑥)(〈((1st ‘𝑓)‘𝑥), ((1st ‘𝑔)‘𝑥)〉(comp‘𝑢)((1st ‘ℎ)‘𝑥))(𝑎‘𝑥)))))〉}) | |
2 | tpex 6957 | . 2 ⊢ {〈(Base‘ndx), (𝑡 Func 𝑢)〉, 〈(Hom ‘ndx), (𝑡 Nat 𝑢)〉, 〈(comp‘ndx), (𝑣 ∈ ((𝑡 Func 𝑢) × (𝑡 Func 𝑢)), ℎ ∈ (𝑡 Func 𝑢) ↦ ⦋(1st ‘𝑣) / 𝑓⦌⦋(2nd ‘𝑣) / 𝑔⦌(𝑏 ∈ (𝑔(𝑡 Nat 𝑢)ℎ), 𝑎 ∈ (𝑓(𝑡 Nat 𝑢)𝑔) ↦ (𝑥 ∈ (Base‘𝑡) ↦ ((𝑏‘𝑥)(〈((1st ‘𝑓)‘𝑥), ((1st ‘𝑔)‘𝑥)〉(comp‘𝑢)((1st ‘ℎ)‘𝑥))(𝑎‘𝑥)))))〉} ∈ V | |
3 | 1, 2 | fnmpt2i 7239 | 1 ⊢ FuncCat Fn (Cat × Cat) |
Colors of variables: wff setvar class |
Syntax hints: ⦋csb 3533 {ctp 4181 〈cop 4183 ↦ cmpt 4729 × cxp 5112 Fn wfn 5883 ‘cfv 5888 (class class class)co 6650 ↦ cmpt2 6652 1st c1st 7166 2nd c2nd 7167 ndxcnx 15854 Basecbs 15857 Hom chom 15952 compcco 15953 Catccat 16325 Func cfunc 16514 Nat cnat 16601 FuncCat cfuc 16602 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-fuc 16604 |
This theorem is referenced by: fucbas 16620 fuchom 16621 |
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