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Mirrors > Home > ILE Home > Th. List > nfdc | Unicode version |
Description: If ![]() ![]() ![]() |
Ref | Expression |
---|---|
nfdc.1 |
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Ref | Expression |
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nfdc |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-dc 836 |
. 2
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2 | nfdc.1 |
. . 3
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3 | 2 | nfn 1669 |
. . 3
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4 | 2, 3 | nfor 1585 |
. 2
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5 | 1, 4 | nfxfr 1485 |
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-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-gen 1460 ax-ie2 1505 ax-4 1521 ax-ial 1545 |
This theorem depends on definitions: df-bi 117 df-dc 836 df-tru 1367 df-fal 1370 df-nf 1472 |
This theorem is referenced by: 19.32dc 1690 finexdc 6929 ssfirab 6961 dcfi 7009 exfzdc 10269 nfsum1 11395 nfsum 11396 nfcprod1 11593 nfcprod 11594 zsupcllemstep 11977 infssuzex 11981 nnwosdc 12071 ctiunctlemudc 12487 iswomninnlem 15251 |
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