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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 2493 |
. 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 1494 |
. . . . 5
|
| 11 | df-ral 2490 |
. . . . 5
| |
| 12 | r19.21v 2584 |
. . . . 5
| |
| 13 | 10, 11, 12 | 3bitr2i 208 |
. . . 4
|
| 14 | 13 | albii 1494 |
. . 3
|
| 15 | eleq1 2269 |
. . . . 5
| |
| 16 | rmo4.1 |
. . . . 5
| |
| 17 | 15, 16 | anbi12d 473 |
. . . 4
|
| 18 | 17 | mo4 2116 |
. . 3
|
| 19 | df-ral 2490 |
. . 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 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2188 |
| This theorem depends on definitions: df-bi 117 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-cleq 2199 df-clel 2202 df-ral 2490 df-rmo 2493 |
| This theorem is referenced by: reu4 2971 disjnim 4044 supmoti 7116 lteupri 7760 elrealeu 7972 rereceu 8032 exbtwnz 10425 rsqrmo 11423 divalglemeunn 12317 divalglemeuneg 12319 bezoutlemeu 12413 pw2dvdseu 12575 mgmidmo 13289 mndinvmod 13362 dedekindeu 15180 dedekindicclemicc 15189 |
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