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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 2518 |
. 2
| |
| 2 | an4 588 |
. . . . . . . . 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 1518 |
. . . . 5
|
| 11 | df-ral 2515 |
. . . . 5
| |
| 12 | r19.21v 2609 |
. . . . 5
| |
| 13 | 10, 11, 12 | 3bitr2i 208 |
. . . 4
|
| 14 | 13 | albii 1518 |
. . 3
|
| 15 | eleq1 2294 |
. . . . 5
| |
| 16 | rmo4.1 |
. . . . 5
| |
| 17 | 15, 16 | anbi12d 473 |
. . . 4
|
| 18 | 17 | mo4 2141 |
. . 3
|
| 19 | df-ral 2515 |
. . 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-cleq 2224 df-clel 2227 df-ral 2515 df-rmo 2518 |
| This theorem is referenced by: reu4 3000 disjnim 4078 supmoti 7191 lteupri 7836 elrealeu 8048 rereceu 8108 exbtwnz 10509 rsqrmo 11587 divalglemeunn 12481 divalglemeuneg 12483 bezoutlemeu 12577 pw2dvdseu 12739 mgmidmo 13454 mndinvmod 13527 dedekindeu 15346 dedekindicclemicc 15355 |
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