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Mirrors > Home > MPE Home > Th. List > rdgdmlim | Structured version Visualization version GIF version |
Description: The domain of the recursive definition generator is a limit ordinal. (Contributed by NM, 16-Nov-2014.) |
Ref | Expression |
---|---|
rdgdmlim | ⊢ Lim dom rec(𝐹, 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rdg 8068 | . . 3 ⊢ rec(𝐹, 𝐴) = recs((𝑔 ∈ V ↦ if(𝑔 = ∅, 𝐴, if(Lim dom 𝑔, ∪ ran 𝑔, (𝐹‘(𝑔‘∪ dom 𝑔)))))) | |
2 | 1 | tfr1a 8052 | . 2 ⊢ (Fun rec(𝐹, 𝐴) ∧ Lim dom rec(𝐹, 𝐴)) |
3 | 2 | simpri 489 | 1 ⊢ Lim dom rec(𝐹, 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1542 Vcvv 3397 ∅c0 4209 ifcif 4411 ∪ cuni 4793 ↦ cmpt 5107 dom cdm 5519 ran crn 5520 Lim wlim 6167 Fun wfun 6327 ‘cfv 6333 reccrdg 8067 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1916 ax-6 1974 ax-7 2019 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2161 ax-12 2178 ax-ext 2710 ax-sep 5164 ax-nul 5171 ax-pr 5293 ax-un 7473 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2540 df-eu 2570 df-clab 2717 df-cleq 2730 df-clel 2811 df-nfc 2881 df-ne 2935 df-ral 3058 df-rex 3059 df-reu 3060 df-rab 3062 df-v 3399 df-sbc 3680 df-csb 3789 df-dif 3844 df-un 3846 df-in 3848 df-ss 3858 df-pss 3860 df-nul 4210 df-if 4412 df-pw 4487 df-sn 4514 df-pr 4516 df-tp 4518 df-op 4520 df-uni 4794 df-iun 4880 df-br 5028 df-opab 5090 df-mpt 5108 df-tr 5134 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6123 df-ord 6169 df-on 6170 df-lim 6171 df-suc 6172 df-iota 6291 df-fun 6335 df-fn 6336 df-f 6337 df-f1 6338 df-fo 6339 df-f1o 6340 df-fv 6341 df-wrecs 7969 df-recs 8030 df-rdg 8068 |
This theorem is referenced by: rdg0 8079 rdgsucg 8081 rdglimg 8083 rdgsucmptnf 8087 frfnom 8092 frsuc 8094 r1funlim 9261 ackbij2 9736 |
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