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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 2536 |
. 2
| |
| 2 | an4 592 |
. . . . . . . . 9
| |
| 3 | ancom 266 |
. . . . . . . . . 10
| |
| 4 | 3 | anbi1i 462 |
. . . . . . . . 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 1523 |
. . . . 5
|
| 11 | df-ral 2533 |
. . . . 5
| |
| 12 | r19.21v 2627 |
. . . . 5
| |
| 13 | 10, 11, 12 | 3bitr2i 208 |
. . . 4
|
| 14 | 13 | albii 1523 |
. . 3
|
| 15 | eleq1 2301 |
. . . . 5
| |
| 16 | rmo4.1 |
. . . . 5
| |
| 17 | 15, 16 | anbi12d 477 |
. . . 4
|
| 18 | 17 | mo4 2148 |
. . 3
|
| 19 | df-ral 2533 |
. . 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-cleq 2231 df-clel 2234 df-ral 2533 df-rmo 2536 |
| This theorem is referenced by: reu4 3020 disjnim 4115 supmoti 7323 lteupri 7974 elrealeu 8186 rereceu 8246 exbtwnz 10663 rsqrmo 11771 divalglemeunn 12666 divalglemeuneg 12668 bezoutlemeu 12762 pw2dvdseu 12924 mgmidmo 13669 mndinvmod 13735 dedekindeu 15647 dedekindicclemicc 15656 |
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