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Mirrors > Home > MPE Home > Th. List > dftermo3 | Structured version Visualization version GIF version |
Description: An alternate definition of df-termo 17971 depending on df-inito 17970, without dummy variables. (Contributed by Zhi Wang, 29-Aug-2024.) |
Ref | Expression |
---|---|
dftermo3 | ⊢ TermO = (InitO ∘ (oppCat ↾ Cat)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvres 6909 | . . . 4 ⊢ (𝑐 ∈ Cat → ((oppCat ↾ Cat)‘𝑐) = (oppCat‘𝑐)) | |
2 | 1 | fveq2d 6894 | . . 3 ⊢ (𝑐 ∈ Cat → (InitO‘((oppCat ↾ Cat)‘𝑐)) = (InitO‘(oppCat‘𝑐))) |
3 | 2 | mpteq2ia 5244 | . 2 ⊢ (𝑐 ∈ Cat ↦ (InitO‘((oppCat ↾ Cat)‘𝑐))) = (𝑐 ∈ Cat ↦ (InitO‘(oppCat‘𝑐))) |
4 | initofn 17973 | . . . 4 ⊢ InitO Fn Cat | |
5 | dffn2 6717 | . . . 4 ⊢ (InitO Fn Cat ↔ InitO:Cat⟶V) | |
6 | 4, 5 | mpbi 229 | . . 3 ⊢ InitO:Cat⟶V |
7 | oppccatf 17707 | . . 3 ⊢ (oppCat ↾ Cat):Cat⟶Cat | |
8 | fcompt 7136 | . . 3 ⊢ ((InitO:Cat⟶V ∧ (oppCat ↾ Cat):Cat⟶Cat) → (InitO ∘ (oppCat ↾ Cat)) = (𝑐 ∈ Cat ↦ (InitO‘((oppCat ↾ Cat)‘𝑐)))) | |
9 | 6, 7, 8 | mp2an 690 | . 2 ⊢ (InitO ∘ (oppCat ↾ Cat)) = (𝑐 ∈ Cat ↦ (InitO‘((oppCat ↾ Cat)‘𝑐))) |
10 | dftermo2 17990 | . 2 ⊢ TermO = (𝑐 ∈ Cat ↦ (InitO‘(oppCat‘𝑐))) | |
11 | 3, 9, 10 | 3eqtr4ri 2764 | 1 ⊢ TermO = (InitO ∘ (oppCat ↾ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 ∈ wcel 2098 Vcvv 3463 ↦ cmpt 5224 ↾ cres 5672 ∘ ccom 5674 Fn wfn 6536 ⟶wf 6537 ‘cfv 6541 Catccat 17641 oppCatcoppc 17688 InitOcinito 17967 TermOctermo 17968 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5357 ax-pr 5421 ax-un 7736 ax-cnex 11192 ax-resscn 11193 ax-1cn 11194 ax-icn 11195 ax-addcl 11196 ax-addrcl 11197 ax-mulcl 11198 ax-mulrcl 11199 ax-mulcom 11200 ax-addass 11201 ax-mulass 11202 ax-distr 11203 ax-i2m1 11204 ax-1ne0 11205 ax-1rid 11206 ax-rnegex 11207 ax-rrecex 11208 ax-cnre 11209 ax-pre-lttri 11210 ax-pre-lttrn 11211 ax-pre-ltadd 11212 ax-pre-mulgt0 11213 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3958 df-nul 4317 df-if 4523 df-pw 4598 df-sn 4623 df-pr 4625 df-op 4629 df-uni 4902 df-iun 4991 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5568 df-eprel 5574 df-po 5582 df-so 5583 df-fr 5625 df-we 5627 df-xp 5676 df-rel 5677 df-cnv 5678 df-co 5679 df-dm 5680 df-rn 5681 df-res 5682 df-ima 5683 df-pred 6298 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6493 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7370 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7867 df-1st 7989 df-2nd 7990 df-tpos 8228 df-frecs 8283 df-wrecs 8314 df-recs 8388 df-rdg 8427 df-er 8721 df-en 8961 df-dom 8962 df-sdom 8963 df-pnf 11278 df-mnf 11279 df-xr 11280 df-ltxr 11281 df-le 11282 df-sub 11474 df-neg 11475 df-nn 12241 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12501 df-z 12587 df-dec 12706 df-sets 17130 df-slot 17148 df-ndx 17160 df-base 17178 df-hom 17254 df-cco 17255 df-cat 17645 df-cid 17646 df-oppc 17689 df-inito 17970 df-termo 17971 |
This theorem is referenced by: (None) |
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