Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > tfrcllemssrecs | Unicode version |
Description: Lemma for tfrcl 6332. The union of functions acceptable for tfrcl 6332 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 4469 | . . . . . 6 | |
4 | ssrexv 3207 | . . . . . 6 | |
5 | 2, 3, 4 | 3syl 17 | . . . . 5 |
6 | 5 | ss2abdv 3215 | . . . 4 |
7 | 1, 6 | eqsstrid 3188 | . . 3 |
8 | 7 | unissd 3813 | . 2 |
9 | ffn 5337 | . . . . . . 7 | |
10 | 9 | anim1i 338 | . . . . . 6 |
11 | 10 | reximi 2563 | . . . . 5 |
12 | 11 | ss2abi 3214 | . . . 4 |
13 | 12 | unissi 3812 | . . 3 |
14 | df-recs 6273 | . . 3 recs | |
15 | 13, 14 | sseqtrri 3177 | . 2 recs |
16 | 8, 15 | sstrdi 3154 | 1 recs |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1343 cab 2151 wral 2444 wrex 2445 wss 3116 cuni 3789 word 4340 con0 4341 cres 4606 wfn 5183 wf 5184 cfv 5188 recscrecs 6272 |
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 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-in 3122 df-ss 3129 df-uni 3790 df-tr 4081 df-iord 4344 df-on 4346 df-f 5192 df-recs 6273 |
This theorem is referenced by: tfrcllembfn 6325 tfrcllemubacc 6327 tfrcllemres 6330 |
Copyright terms: Public domain | W3C validator |