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Mirrors > Home > MPE Home > Th. List > dmresv | Structured version Visualization version Unicode version |
Description: The domain of a universal restriction. (Contributed by NM, 14-May-2008.) |
Ref | Expression |
---|---|
dmresv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmres 5147 |
. 2
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2 | incom 3637 |
. 2
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3 | inv1 3773 |
. 2
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4 | 1, 2, 3 | 3eqtri 2488 |
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 1680 ax-4 1693 ax-5 1769 ax-6 1816 ax-7 1862 ax-9 1907 ax-10 1926 ax-11 1931 ax-12 1944 ax-13 2102 ax-ext 2442 ax-sep 4541 ax-nul 4550 ax-pr 4656 |
This theorem depends on definitions: df-bi 190 df-or 376 df-an 377 df-3an 993 df-tru 1458 df-ex 1675 df-nf 1679 df-sb 1809 df-clab 2449 df-cleq 2455 df-clel 2458 df-nfc 2592 df-ne 2635 df-ral 2754 df-rex 2755 df-rab 2758 df-v 3059 df-dif 3419 df-un 3421 df-in 3423 df-ss 3430 df-nul 3744 df-if 3894 df-sn 3981 df-pr 3983 df-op 3987 df-br 4419 df-opab 4478 df-xp 4862 df-dm 4866 df-res 4868 |
This theorem is referenced by: fidomdm 7884 dmct 28350 |
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