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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 50082 | . . . 4 ⊢ (𝐶 Limit 𝐷) = (𝑓 ∈ (𝐷 Func 𝐶) ↦ (( oppFunc ‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝑓)) | |
| 2 | 1 | mptrcl 6949 | . . 3 ⊢ (𝑓 ∈ ((𝐶 Limit 𝐷)‘𝐹) → 𝐹 ∈ (𝐷 Func 𝐶)) |
| 3 | eqid 2737 | . . . . . 6 ⊢ (oppCat‘(𝐷 FuncCat 𝐶)) = (oppCat‘(𝐷 FuncCat 𝐶)) | |
| 4 | eqid 2737 | . . . . . . 7 ⊢ (𝐷 FuncCat 𝐶) = (𝐷 FuncCat 𝐶) | |
| 5 | 4 | fucbas 17888 | . . . . . 6 ⊢ (𝐷 Func 𝐶) = (Base‘(𝐷 FuncCat 𝐶)) |
| 6 | 3, 5 | oppcbas 17642 | . . . . 5 ⊢ (𝐷 Func 𝐶) = (Base‘(oppCat‘(𝐷 FuncCat 𝐶))) |
| 7 | 6 | uprcl 49617 | . . . 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 7366 | . . . . 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 7391 | . . . . 5 ⊢ (( oppFunc ‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) ∈ V | |
| 11 | 9, 1, 10 | fvmpt 6939 | . . . 4 ⊢ (𝐹 ∈ (𝐷 Func 𝐶) → ((𝐶 Limit 𝐷)‘𝐹) = (( oppFunc ‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)) |
| 12 | 11 | eleq2d 2823 | . . 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 2734 | 1 ⊢ ((𝐶 Limit 𝐷)‘𝐹) = (( oppFunc ‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 ‘cfv 6490 (class class class)co 7358 oppCatcoppc 17635 Func cfunc 17779 FuncCat cfuc 17870 Δfunccdiag 18136 oppFunc coppf 49555 UP cup 49606 Limit clmd 50076 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-tpos 8167 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 df-sub 11367 df-neg 11368 df-nn 12147 df-2 12209 df-3 12210 df-4 12211 df-5 12212 df-6 12213 df-7 12214 df-8 12215 df-9 12216 df-n0 12403 df-z 12490 df-dec 12609 df-uz 12753 df-fz 13425 df-struct 17075 df-sets 17092 df-slot 17110 df-ndx 17122 df-base 17138 df-hom 17202 df-cco 17203 df-oppc 17636 df-func 17783 df-fuc 17872 df-up 49607 df-lmd 50078 |
| This theorem is referenced by: rellmd 50092 islmd 50098 lmddu 50100 lmdran 50104 |
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