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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 2456 | . 2 | |
2 | an4 581 | . . . . . . . . 9 | |
3 | ancom 264 | . . . . . . . . . 10 | |
4 | 3 | anbi1i 455 | . . . . . . . . 9 |
5 | 2, 4 | bitri 183 | . . . . . . . 8 |
6 | 5 | imbi1i 237 | . . . . . . 7 |
7 | impexp 261 | . . . . . . 7 | |
8 | impexp 261 | . . . . . . 7 | |
9 | 6, 7, 8 | 3bitri 205 | . . . . . 6 |
10 | 9 | albii 1463 | . . . . 5 |
11 | df-ral 2453 | . . . . 5 | |
12 | r19.21v 2547 | . . . . 5 | |
13 | 10, 11, 12 | 3bitr2i 207 | . . . 4 |
14 | 13 | albii 1463 | . . 3 |
15 | eleq1 2233 | . . . . 5 | |
16 | rmo4.1 | . . . . 5 | |
17 | 15, 16 | anbi12d 470 | . . . 4 |
18 | 17 | mo4 2080 | . . 3 |
19 | df-ral 2453 | . . 3 | |
20 | 14, 18, 19 | 3bitr4i 211 | . 2 |
21 | 1, 20 | bitri 183 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wal 1346 wmo 2020 wcel 2141 wral 2448 wrmo 2451 |
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 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-cleq 2163 df-clel 2166 df-ral 2453 df-rmo 2456 |
This theorem is referenced by: reu4 2924 disjnim 3980 supmoti 6970 lteupri 7579 elrealeu 7791 rereceu 7851 exbtwnz 10207 rsqrmo 10991 divalglemeunn 11880 divalglemeuneg 11882 bezoutlemeu 11962 pw2dvdseu 12122 mgmidmo 12626 mndinvmod 12678 dedekindeu 13395 dedekindicclemicc 13404 |
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