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Mirrors > Home > ILE 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 1647 | . 2 | |
2 | 1 | nfn 1588 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wal 1282 wnf 1389 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 |
This theorem depends on definitions: df-bi 115 df-tru 1287 df-fal 1290 df-nf 1390 |
This theorem is referenced by: sbequ6 1706 dvelimfv 1928 nfsb4t 1931 |
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