Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > frfnom | Structured version Visualization version GIF version |
Description: The function generated by finite recursive definition generation is a function on omega. (Contributed by NM, 15-Oct-1996.) (Revised by Mario Carneiro, 14-Nov-2014.) |
Ref | Expression |
---|---|
frfnom | ⊢ (rec(𝐹, 𝐴) ↾ ω) Fn ω |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rdgfun 8247 | . . 3 ⊢ Fun rec(𝐹, 𝐴) | |
2 | funres 6476 | . . 3 ⊢ (Fun rec(𝐹, 𝐴) → Fun (rec(𝐹, 𝐴) ↾ ω)) | |
3 | 1, 2 | ax-mp 5 | . 2 ⊢ Fun (rec(𝐹, 𝐴) ↾ ω) |
4 | dmres 5913 | . . 3 ⊢ dom (rec(𝐹, 𝐴) ↾ ω) = (ω ∩ dom rec(𝐹, 𝐴)) | |
5 | rdgdmlim 8248 | . . . . 5 ⊢ Lim dom rec(𝐹, 𝐴) | |
6 | limomss 7717 | . . . . 5 ⊢ (Lim dom rec(𝐹, 𝐴) → ω ⊆ dom rec(𝐹, 𝐴)) | |
7 | 5, 6 | ax-mp 5 | . . . 4 ⊢ ω ⊆ dom rec(𝐹, 𝐴) |
8 | df-ss 3904 | . . . 4 ⊢ (ω ⊆ dom rec(𝐹, 𝐴) ↔ (ω ∩ dom rec(𝐹, 𝐴)) = ω) | |
9 | 7, 8 | mpbi 229 | . . 3 ⊢ (ω ∩ dom rec(𝐹, 𝐴)) = ω |
10 | 4, 9 | eqtri 2766 | . 2 ⊢ dom (rec(𝐹, 𝐴) ↾ ω) = ω |
11 | df-fn 6436 | . 2 ⊢ ((rec(𝐹, 𝐴) ↾ ω) Fn ω ↔ (Fun (rec(𝐹, 𝐴) ↾ ω) ∧ dom (rec(𝐹, 𝐴) ↾ ω) = ω)) | |
12 | 3, 10, 11 | mpbir2an 708 | 1 ⊢ (rec(𝐹, 𝐴) ↾ ω) Fn ω |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 ∩ cin 3886 ⊆ wss 3887 dom cdm 5589 ↾ cres 5591 Lim wlim 6267 Fun wfun 6427 Fn wfn 6428 ωcom 7712 reccrdg 8240 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 |
This theorem is referenced by: frsucmptn 8270 seqomlem2 8282 seqomlem3 8283 seqomlem4 8284 unblem4 9069 dffi3 9190 inf0 9379 inf3lem6 9391 alephfplem4 9863 alephfp 9864 infpssrlem3 10061 itunifn 10173 hsmexlem5 10186 axdclem2 10276 wunex2 10494 wuncval2 10503 peano5nni 11976 1nn 11984 peano2nn 11985 om2uzrani 13672 om2uzf1oi 13673 uzrdglem 13677 uzrdgfni 13678 uzrdg0i 13679 hashkf 14046 hashgval2 14093 neibastop2lem 34549 |
Copyright terms: Public domain | W3C validator |