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| Mirrors > Home > MPE Home > Th. List > estrchomfn | Structured version Visualization version GIF version | ||
| Description: The Hom-set operation in the category of extensible structures (in a universe) is a function. (Contributed by AV, 8-Mar-2020.) |
| Ref | Expression |
|---|---|
| estrchomfn.c | ⊢ 𝐶 = (ExtStrCat‘𝑈) |
| estrchomfn.u | ⊢ (𝜑 → 𝑈 ∈ 𝑉) |
| estrchomfn.h | ⊢ 𝐻 = (Hom ‘𝐶) |
| Ref | Expression |
|---|---|
| estrchomfn | ⊢ (𝜑 → 𝐻 Fn (𝑈 × 𝑈)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2729 | . . 3 ⊢ (𝑥 ∈ 𝑈, 𝑦 ∈ 𝑈 ↦ ((Base‘𝑦) ↑m (Base‘𝑥))) = (𝑥 ∈ 𝑈, 𝑦 ∈ 𝑈 ↦ ((Base‘𝑦) ↑m (Base‘𝑥))) | |
| 2 | ovex 7403 | . . 3 ⊢ ((Base‘𝑦) ↑m (Base‘𝑥)) ∈ V | |
| 3 | 1, 2 | fnmpoi 8029 | . 2 ⊢ (𝑥 ∈ 𝑈, 𝑦 ∈ 𝑈 ↦ ((Base‘𝑦) ↑m (Base‘𝑥))) Fn (𝑈 × 𝑈) |
| 4 | estrchomfn.c | . . . 4 ⊢ 𝐶 = (ExtStrCat‘𝑈) | |
| 5 | estrchomfn.u | . . . 4 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 6 | estrchomfn.h | . . . 4 ⊢ 𝐻 = (Hom ‘𝐶) | |
| 7 | 4, 5, 6 | estrchomfval 18069 | . . 3 ⊢ (𝜑 → 𝐻 = (𝑥 ∈ 𝑈, 𝑦 ∈ 𝑈 ↦ ((Base‘𝑦) ↑m (Base‘𝑥)))) |
| 8 | 7 | fneq1d 6594 | . 2 ⊢ (𝜑 → (𝐻 Fn (𝑈 × 𝑈) ↔ (𝑥 ∈ 𝑈, 𝑦 ∈ 𝑈 ↦ ((Base‘𝑦) ↑m (Base‘𝑥))) Fn (𝑈 × 𝑈))) |
| 9 | 3, 8 | mpbiri 258 | 1 ⊢ (𝜑 → 𝐻 Fn (𝑈 × 𝑈)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 × cxp 5629 Fn wfn 6495 ‘cfv 6500 (class class class)co 7370 ∈ cmpo 7372 ↑m cmap 8777 Basecbs 17157 Hom chom 17209 ExtStrCatcestrc 18065 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7692 ax-cnex 11103 ax-resscn 11104 ax-1cn 11105 ax-icn 11106 ax-addcl 11107 ax-addrcl 11108 ax-mulcl 11109 ax-mulrcl 11110 ax-mulcom 11111 ax-addass 11112 ax-mulass 11113 ax-distr 11114 ax-i2m1 11115 ax-1ne0 11116 ax-1rid 11117 ax-rnegex 11118 ax-rrecex 11119 ax-cnre 11120 ax-pre-lttri 11121 ax-pre-lttrn 11122 ax-pre-ltadd 11123 ax-pre-mulgt0 11124 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6263 df-ord 6324 df-on 6325 df-lim 6326 df-suc 6327 df-iota 6453 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7824 df-1st 7948 df-2nd 7949 df-frecs 8238 df-wrecs 8269 df-recs 8318 df-rdg 8356 df-1o 8412 df-er 8649 df-en 8897 df-dom 8898 df-sdom 8899 df-fin 8900 df-pnf 11189 df-mnf 11190 df-xr 11191 df-ltxr 11192 df-le 11193 df-sub 11386 df-neg 11387 df-nn 12166 df-2 12228 df-3 12229 df-4 12230 df-5 12231 df-6 12232 df-7 12233 df-8 12234 df-9 12235 df-n0 12422 df-z 12509 df-dec 12629 df-uz 12773 df-fz 13448 df-struct 17095 df-slot 17130 df-ndx 17142 df-base 17158 df-hom 17222 df-cco 17223 df-estrc 18066 |
| This theorem is referenced by: estrchomfeqhom 18079 |
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