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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lmdfval2 | Structured version Visualization version GIF version | ||
| Description: The set of limits of a diagram. (Contributed by Zhi Wang, 14-Nov-2025.) |
| Ref | Expression |
|---|---|
| lmdfval2 | ⊢ ((𝐶 Limit 𝐷)‘𝐹) = ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lmdfval 49471 | . . . 4 ⊢ (𝐶 Limit 𝐷) = (𝑓 ∈ (𝐷 Func 𝐶) ↦ ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝑓)) | |
| 2 | 1 | mptrcl 6994 | . . 3 ⊢ (𝑓 ∈ ((𝐶 Limit 𝐷)‘𝐹) → 𝐹 ∈ (𝐷 Func 𝐶)) |
| 3 | eqid 2735 | . . . . . 6 ⊢ (oppCat‘(𝐷 FuncCat 𝐶)) = (oppCat‘(𝐷 FuncCat 𝐶)) | |
| 4 | eqid 2735 | . . . . . . 7 ⊢ (𝐷 FuncCat 𝐶) = (𝐷 FuncCat 𝐶) | |
| 5 | 4 | fucbas 17974 | . . . . . 6 ⊢ (𝐷 Func 𝐶) = (Base‘(𝐷 FuncCat 𝐶)) |
| 6 | 3, 5 | oppcbas 17728 | . . . . 5 ⊢ (𝐷 Func 𝐶) = (Base‘(oppCat‘(𝐷 FuncCat 𝐶))) |
| 7 | 6 | uprcl 49066 | . . . 4 ⊢ (𝑓 ∈ ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) → ((oppFunc‘(𝐶Δfunc𝐷)) ∈ ((oppCat‘𝐶) Func (oppCat‘(𝐷 FuncCat 𝐶))) ∧ 𝐹 ∈ (𝐷 Func 𝐶))) |
| 8 | 7 | simprd 495 | . . 3 ⊢ (𝑓 ∈ ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) → 𝐹 ∈ (𝐷 Func 𝐶)) |
| 9 | oveq2 7411 | . . . . 5 ⊢ (𝑓 = 𝐹 → ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝑓) = ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)) | |
| 10 | ovex 7436 | . . . . 5 ⊢ ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) ∈ V | |
| 11 | 9, 1, 10 | fvmpt 6985 | . . . 4 ⊢ (𝐹 ∈ (𝐷 Func 𝐶) → ((𝐶 Limit 𝐷)‘𝐹) = ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)) |
| 12 | 11 | eleq2d 2820 | . . 3 ⊢ (𝐹 ∈ (𝐷 Func 𝐶) → (𝑓 ∈ ((𝐶 Limit 𝐷)‘𝐹) ↔ 𝑓 ∈ ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹))) |
| 13 | 2, 8, 12 | pm5.21nii 378 | . 2 ⊢ (𝑓 ∈ ((𝐶 Limit 𝐷)‘𝐹) ↔ 𝑓 ∈ ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)) |
| 14 | 13 | eqriv 2732 | 1 ⊢ ((𝐶 Limit 𝐷)‘𝐹) = ((oppFunc‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 ∈ wcel 2108 ‘cfv 6530 (class class class)co 7403 oppCatcoppc 17721 Func cfunc 17865 FuncCat cfuc 17956 Δfunccdiag 18222 oppFunccoppf 49019 UP cup 49056 Limit clmd 49465 |
| 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 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-rep 5249 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7727 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| 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 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-tp 4606 df-op 4608 df-uni 4884 df-iun 4969 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6483 df-fun 6532 df-fn 6533 df-f 6534 df-f1 6535 df-fo 6536 df-f1o 6537 df-fv 6538 df-riota 7360 df-ov 7406 df-oprab 7407 df-mpo 7408 df-om 7860 df-1st 7986 df-2nd 7987 df-tpos 8223 df-frecs 8278 df-wrecs 8309 df-recs 8383 df-rdg 8422 df-1o 8478 df-er 8717 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11466 df-neg 11467 df-nn 12239 df-2 12301 df-3 12302 df-4 12303 df-5 12304 df-6 12305 df-7 12306 df-8 12307 df-9 12308 df-n0 12500 df-z 12587 df-dec 12707 df-uz 12851 df-fz 13523 df-struct 17164 df-sets 17181 df-slot 17199 df-ndx 17211 df-base 17227 df-hom 17293 df-cco 17294 df-oppc 17722 df-func 17869 df-fuc 17958 df-up 49057 df-lmd 49467 |
| This theorem is referenced by: rellmd 49477 islmd 49483 |
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