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Mirrors > Home > NFE Home > Th. List > nfnae | Unicode version |
Description: All variables are effectively bound in a distinct variable specifier. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfnae |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfae 1954 | . 2 | |
2 | 1 | nfn 1793 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wal 1540 wnf 1544 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 |
This theorem depends on definitions: df-bi 177 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 |
This theorem is referenced by: nfeqf 1958 exdistrf 1971 nfald2 1972 equs5 1996 dvelimf 1997 sbequ6 2032 nfsb2 2058 nfsb4t 2080 dvelimdf 2082 sbco2 2086 sbco3 2088 sbcom 2089 sb9i 2094 sbal2 2134 nfeud2 2216 nfabd2 2507 ralcom2 2775 copsexg 4607 dfid3 4768 |
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