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Mirrors > Home > MPE Home > Th. List > reuss2 | Structured version Visualization version Unicode version |
Description: Transfer uniqueness to a smaller subclass. (Contributed by NM, 20-Oct-2005.) |
Ref | Expression |
---|---|
reuss2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rex 2918 |
. . 3
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2 | df-reu 2919 |
. . 3
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3 | 1, 2 | anbi12i 733 |
. 2
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4 | df-ral 2917 |
. . . . . . 7
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5 | ssel 3597 |
. . . . . . . . . . . 12
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6 | pm3.2 463 |
. . . . . . . . . . . . 13
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7 | 6 | imim2d 57 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
8 | 5, 7 | syl6 35 |
. . . . . . . . . . 11
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9 | 8 | a2d 29 |
. . . . . . . . . 10
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10 | 9 | imp4a 614 |
. . . . . . . . 9
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11 | 10 | alimdv 1845 |
. . . . . . . 8
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12 | 11 | imp 445 |
. . . . . . 7
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13 | 4, 12 | sylan2b 492 |
. . . . . 6
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14 | euimmo 2522 |
. . . . . 6
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15 | 13, 14 | syl 17 |
. . . . 5
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16 | eu5 2496 |
. . . . . 6
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17 | 16 | simplbi2 655 |
. . . . 5
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18 | 15, 17 | syl9 77 |
. . . 4
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19 | 18 | imp32 449 |
. . 3
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20 | df-reu 2919 |
. . 3
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21 | 19, 20 | sylibr 224 |
. 2
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22 | 3, 21 | sylan2b 492 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-ral 2917 df-rex 2918 df-reu 2919 df-in 3581 df-ss 3588 |
This theorem is referenced by: reuss 3908 reuun1 3909 riotass2 6638 |
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