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Mirrors > Home > ILE Home > Th. List > rmo4 | Unicode version |
Description: Restricted "at most one" using implicit substitution. (Contributed by NM, 24-Oct-2006.) (Revised by NM, 16-Jun-2017.) |
Ref | Expression |
---|---|
rmo4.1 |
Ref | Expression |
---|---|
rmo4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rmo 2461 | . 2 | |
2 | an4 586 | . . . . . . . . 9 | |
3 | ancom 266 | . . . . . . . . . 10 | |
4 | 3 | anbi1i 458 | . . . . . . . . 9 |
5 | 2, 4 | bitri 184 | . . . . . . . 8 |
6 | 5 | imbi1i 238 | . . . . . . 7 |
7 | impexp 263 | . . . . . . 7 | |
8 | impexp 263 | . . . . . . 7 | |
9 | 6, 7, 8 | 3bitri 206 | . . . . . 6 |
10 | 9 | albii 1468 | . . . . 5 |
11 | df-ral 2458 | . . . . 5 | |
12 | r19.21v 2552 | . . . . 5 | |
13 | 10, 11, 12 | 3bitr2i 208 | . . . 4 |
14 | 13 | albii 1468 | . . 3 |
15 | eleq1 2238 | . . . . 5 | |
16 | rmo4.1 | . . . . 5 | |
17 | 15, 16 | anbi12d 473 | . . . 4 |
18 | 17 | mo4 2085 | . . 3 |
19 | df-ral 2458 | . . 3 | |
20 | 14, 18, 19 | 3bitr4i 212 | . 2 |
21 | 1, 20 | bitri 184 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 104 wb 105 wal 1351 wmo 2025 wcel 2146 wral 2453 wrmo 2456 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-ext 2157 |
This theorem depends on definitions: df-bi 117 df-nf 1459 df-sb 1761 df-eu 2027 df-mo 2028 df-cleq 2168 df-clel 2171 df-ral 2458 df-rmo 2461 |
This theorem is referenced by: reu4 2929 disjnim 3989 supmoti 6982 lteupri 7591 elrealeu 7803 rereceu 7863 exbtwnz 10221 rsqrmo 11004 divalglemeunn 11893 divalglemeuneg 11895 bezoutlemeu 11975 pw2dvdseu 12135 mgmidmo 12666 mndinvmod 12718 dedekindeu 13681 dedekindicclemicc 13690 |
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