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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 2533 |
. 2
| |
| 2 | alinexa 1656 |
. . 3
| |
| 3 | df-rex 2534 |
. . 3
| |
| 4 | 2, 3 | xchbinxr 694 |
. 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 623 ax-in2 624 ax-5 1500 ax-gen 1502 ax-ie2 1547 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-fal 1408 df-ral 2533 df-rex 2534 |
| This theorem is referenced by: nnral 2540 rexalim 2543 ralinexa 2577 nrex 2642 nrexdv 2643 ralnex2 2690 r19.30dc 2698 uni0b 3958 iindif2m 4078 f0rn0 5585 supmoti 7326 fodjuomnilemdc 7477 ismkvnex 7488 nninfwlpoimlemginf 7509 suprnubex 9276 icc0r 10310 ioo0 10675 ico0 10677 ioc0 10678 prmind2 12879 sqrt2irr 12921 umgrnloop0 16275 vtxd0nedgbfi 16457 1hevtxdg0fi 16465 nconstwlpolem 17023 |
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