Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > onsucelsucexmidlem1 | Unicode version |
Description: Lemma for onsucelsucexmid 4445. (Contributed by Jim Kingdon, 2-Aug-2019.) |
Ref | Expression |
---|---|
onsucelsucexmidlem1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0ex 4055 | . . 3 | |
2 | 1 | prid1 3629 | . 2 |
3 | eqid 2139 | . . 3 | |
4 | 3 | orci 720 | . 2 |
5 | eqeq1 2146 | . . . 4 | |
6 | 5 | orbi1d 780 | . . 3 |
7 | 6 | elrab 2840 | . 2 |
8 | 2, 4, 7 | mpbir2an 926 | 1 |
Colors of variables: wff set class |
Syntax hints: wo 697 wceq 1331 wcel 1480 crab 2420 c0 3363 csn 3527 cpr 3528 |
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-in1 603 ax-in2 604 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 ax-nul 4054 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-rab 2425 df-v 2688 df-dif 3073 df-un 3075 df-nul 3364 df-sn 3533 df-pr 3534 |
This theorem is referenced by: onsucelsucexmidlem 4444 onsucelsucexmid 4445 acexmidlem2 5771 |
Copyright terms: Public domain | W3C validator |