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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 |
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Ref | Expression |
---|---|
rmo4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rmo 2476 |
. 2
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2 | an4 586 |
. . . . . . . . 9
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3 | ancom 266 |
. . . . . . . . . 10
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4 | 3 | anbi1i 458 |
. . . . . . . . 9
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5 | 2, 4 | bitri 184 |
. . . . . . . 8
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6 | 5 | imbi1i 238 |
. . . . . . 7
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7 | impexp 263 |
. . . . . . 7
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8 | impexp 263 |
. . . . . . 7
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9 | 6, 7, 8 | 3bitri 206 |
. . . . . 6
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10 | 9 | albii 1481 |
. . . . 5
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11 | df-ral 2473 |
. . . . 5
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12 | r19.21v 2567 |
. . . . 5
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13 | 10, 11, 12 | 3bitr2i 208 |
. . . 4
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14 | 13 | albii 1481 |
. . 3
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15 | eleq1 2252 |
. . . . 5
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16 | rmo4.1 |
. . . . 5
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17 | 15, 16 | anbi12d 473 |
. . . 4
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18 | 17 | mo4 2099 |
. . 3
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19 | df-ral 2473 |
. . 3
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20 | 14, 18, 19 | 3bitr4i 212 |
. 2
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21 | 1, 20 | bitri 184 |
1
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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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 |
This theorem depends on definitions: df-bi 117 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-cleq 2182 df-clel 2185 df-ral 2473 df-rmo 2476 |
This theorem is referenced by: reu4 2950 disjnim 4016 supmoti 7038 lteupri 7663 elrealeu 7875 rereceu 7935 exbtwnz 10305 rsqrmo 11145 divalglemeunn 12036 divalglemeuneg 12038 bezoutlemeu 12118 pw2dvdseu 12280 mgmidmo 12929 mndinvmod 13000 dedekindeu 14734 dedekindicclemicc 14743 |
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