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Mirrors > Home > ILE Home > Th. List > riotass2 | Unicode version |
Description: Restriction of a unique element to a smaller class. (Contributed by NM, 21-Aug-2011.) (Revised by NM, 22-Mar-2013.) |
Ref | Expression |
---|---|
riotass2 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reuss2 3415 |
. . . 4
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2 | simplr 528 |
. . . 4
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3 | riotasbc 5845 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
4 | riotacl 5844 |
. . . . . 6
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5 | rspsbc 3045 |
. . . . . . 7
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6 | sbcimg 3004 |
. . . . . . 7
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7 | 5, 6 | sylibd 149 |
. . . . . 6
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8 | 4, 7 | syl 14 |
. . . . 5
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9 | 3, 8 | mpid 42 |
. . . 4
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10 | 1, 2, 9 | sylc 62 |
. . 3
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11 | 1, 4 | syl 14 |
. . . . 5
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12 | ssel 3149 |
. . . . . 6
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13 | 12 | ad2antrr 488 |
. . . . 5
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14 | 11, 13 | mpd 13 |
. . . 4
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15 | simprr 531 |
. . . 4
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16 | nfriota1 5837 |
. . . . 5
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17 | 16 | nfsbc1 2980 |
. . . . 5
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18 | sbceq1a 2972 |
. . . . 5
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19 | 16, 17, 18 | riota2f 5851 |
. . . 4
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20 | 14, 15, 19 | syl2anc 411 |
. . 3
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21 | 10, 20 | mpbid 147 |
. 2
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22 | 21 | eqcomd 2183 |
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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2739 df-sbc 2963 df-un 3133 df-in 3135 df-ss 3142 df-sn 3598 df-pr 3599 df-uni 3810 df-iota 5178 df-riota 5830 |
This theorem is referenced by: (None) |
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