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Mirrors > Home > ILE Home > Th. List > nfex | Unicode version |
Description: If ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
nfex.1 |
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Ref | Expression |
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nfex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfex.1 |
. . . 4
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2 | 1 | nfri 1519 |
. . 3
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3 | 2 | hbex 1636 |
. 2
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4 | 3 | nfi 1462 |
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-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-4 1510 |
This theorem depends on definitions: df-bi 117 df-nf 1461 |
This theorem is referenced by: eeor 1695 cbvexv1 1752 cbvex2 1922 eean 1931 nfsbv 1947 nfeu1 2037 nfeuv 2044 nfel 2328 ceqsex2 2778 nfopab 4072 nfopab2 4074 cbvopab1 4077 cbvopab1s 4079 repizf2 4163 copsex2t 4246 copsex2g 4247 euotd 4255 onintrab2im 4518 mosubopt 4692 nfco 4793 dfdmf 4821 dfrnf 4869 nfdm 4872 fv3 5539 nfoprab2 5925 nfoprab3 5926 nfoprab 5927 cbvoprab1 5947 cbvoprab2 5948 cbvoprab3 5951 cnvoprab 6235 ac6sfi 6898 cc3 7267 nfsum1 11364 nfsum 11365 fsum2dlemstep 11442 nfcprod1 11562 nfcprod 11563 fprod2dlemstep 11630 |
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