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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 2492 |
. 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 1493 |
. . . . 5
|
| 11 | df-ral 2489 |
. . . . 5
| |
| 12 | r19.21v 2583 |
. . . . 5
| |
| 13 | 10, 11, 12 | 3bitr2i 208 |
. . . 4
|
| 14 | 13 | albii 1493 |
. . 3
|
| 15 | eleq1 2268 |
. . . . 5
| |
| 16 | rmo4.1 |
. . . . 5
| |
| 17 | 15, 16 | anbi12d 473 |
. . . 4
|
| 18 | 17 | mo4 2115 |
. . 3
|
| 19 | df-ral 2489 |
. . 3
| |
| 20 | 14, 18, 19 | 3bitr4i 212 |
. 2
|
| 21 | 1, 20 | bitri 184 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-ext 2187 |
| This theorem depends on definitions: df-bi 117 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-cleq 2198 df-clel 2201 df-ral 2489 df-rmo 2492 |
| This theorem is referenced by: reu4 2967 disjnim 4035 supmoti 7095 lteupri 7730 elrealeu 7942 rereceu 8002 exbtwnz 10393 rsqrmo 11338 divalglemeunn 12232 divalglemeuneg 12234 bezoutlemeu 12328 pw2dvdseu 12490 mgmidmo 13204 mndinvmod 13277 dedekindeu 15095 dedekindicclemicc 15104 |
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