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Mirrors > Home > ILE Home > Th. List > acexmidlemab | Unicode version |
Description: Lemma for acexmid 5841. (Contributed by Jim Kingdon, 6-Aug-2019.) |
Ref | Expression |
---|---|
acexmidlem.a | |
acexmidlem.b | |
acexmidlem.c |
Ref | Expression |
---|---|
acexmidlemab |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | noel 3413 | . . . 4 | |
2 | 0ex 4109 | . . . . . 6 | |
3 | 2 | snid 3607 | . . . . 5 |
4 | eleq2 2230 | . . . . 5 | |
5 | 3, 4 | mpbiri 167 | . . . 4 |
6 | 1, 5 | mto 652 | . . 3 |
7 | acexmidlem.a | . . . . . . . . . 10 | |
8 | acexmidlem.b | . . . . . . . . . 10 | |
9 | acexmidlem.c | . . . . . . . . . 10 | |
10 | 7, 8, 9 | acexmidlemph 5835 | . . . . . . . . 9 |
11 | id 19 | . . . . . . . . . 10 | |
12 | eleq1 2229 | . . . . . . . . . . . 12 | |
13 | 12 | anbi1d 461 | . . . . . . . . . . 11 |
14 | 13 | rexbidv 2467 | . . . . . . . . . 10 |
15 | 11, 14 | riotaeqbidv 5801 | . . . . . . . . 9 |
16 | 10, 15 | syl 14 | . . . . . . . 8 |
17 | 16 | eqeq1d 2174 | . . . . . . 7 |
18 | 17 | biimpa 294 | . . . . . 6 |
19 | 18 | adantrr 471 | . . . . 5 |
20 | simprr 522 | . . . . 5 | |
21 | 19, 20 | eqtr3d 2200 | . . . 4 |
22 | 21 | ex 114 | . . 3 |
23 | 6, 22 | mtoi 654 | . 2 |
24 | 23 | con2i 617 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wo 698 wceq 1343 wcel 2136 wrex 2445 crab 2448 c0 3409 csn 3576 cpr 3577 crio 5797 |
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 604 ax-in2 605 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 ax-nul 4108 |
This theorem depends on definitions: df-bi 116 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-rab 2453 df-v 2728 df-dif 3118 df-nul 3410 df-sn 3582 df-uni 3790 df-iota 5153 df-riota 5798 |
This theorem is referenced by: acexmidlem1 5838 |
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