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| Mirrors > Home > ILE Home > Th. List > ralnex | Unicode version | ||
| Description: Relationship between restricted universal and existential quantifiers. (Contributed by NM, 21-Jan-1997.) |
| Ref | Expression |
|---|---|
| ralnex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ral 2527 |
. 2
| |
| 2 | alinexa 1652 |
. . 3
| |
| 3 | df-rex 2528 |
. . 3
| |
| 4 | 2, 3 | xchbinxr 690 |
. 2
|
| 5 | 1, 4 | bitri 184 |
1
|
| 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 619 ax-in2 620 ax-5 1496 ax-gen 1498 ax-ie2 1543 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-fal 1404 df-ral 2527 df-rex 2528 |
| This theorem is referenced by: nnral 2534 rexalim 2537 ralinexa 2571 nrex 2636 nrexdv 2637 ralnex2 2684 r19.30dc 2692 uni0b 3941 iindif2m 4061 f0rn0 5564 supmoti 7286 fodjuomnilemdc 7437 ismkvnex 7448 nninfwlpoimlemginf 7469 suprnubex 9229 icc0r 10262 ioo0 10623 ico0 10625 ioc0 10626 prmind2 12821 sqrt2irr 12863 umgrnloop0 16129 vtxd0nedgbfi 16311 1hevtxdg0fi 16319 nconstwlpolem 16868 |
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