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Mirrors > Home > ILE Home > Th. List > tfrcllemssrecs | Unicode version |
Description: Lemma for tfrcl 6261. The union of functions acceptable for tfrcl 6261 is a subset of recs. (Contributed by Jim Kingdon, 25-Mar-2022.) |
Ref | Expression |
---|---|
tfrcllemssrecs.1 | |
tfrcllemssrecs.x |
Ref | Expression |
---|---|
tfrcllemssrecs | recs |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tfrcllemssrecs.1 | . . . 4 | |
2 | tfrcllemssrecs.x | . . . . . 6 | |
3 | ordsson 4408 | . . . . . 6 | |
4 | ssrexv 3162 | . . . . . 6 | |
5 | 2, 3, 4 | 3syl 17 | . . . . 5 |
6 | 5 | ss2abdv 3170 | . . . 4 |
7 | 1, 6 | eqsstrid 3143 | . . 3 |
8 | 7 | unissd 3760 | . 2 |
9 | ffn 5272 | . . . . . . 7 | |
10 | 9 | anim1i 338 | . . . . . 6 |
11 | 10 | reximi 2529 | . . . . 5 |
12 | 11 | ss2abi 3169 | . . . 4 |
13 | 12 | unissi 3759 | . . 3 |
14 | df-recs 6202 | . . 3 recs | |
15 | 13, 14 | sseqtrri 3132 | . 2 recs |
16 | 8, 15 | sstrdi 3109 | 1 recs |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 cab 2125 wral 2416 wrex 2417 wss 3071 cuni 3736 word 4284 con0 4285 cres 4541 wfn 5118 wf 5119 cfv 5123 recscrecs 6201 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-in 3077 df-ss 3084 df-uni 3737 df-tr 4027 df-iord 4288 df-on 4290 df-f 5127 df-recs 6202 |
This theorem is referenced by: tfrcllembfn 6254 tfrcllemubacc 6256 tfrcllemres 6259 |
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