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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ral 2460 |
. 2
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2 | alinexa 1603 |
. . 3
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3 | df-rex 2461 |
. . 3
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4 | 2, 3 | xchbinxr 683 |
. 2
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5 | 1, 4 | bitri 184 |
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-in1 614 ax-in2 615 ax-5 1447 ax-gen 1449 ax-ie2 1494 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-fal 1359 df-ral 2460 df-rex 2461 |
This theorem is referenced by: nnral 2467 rexalim 2470 ralinexa 2504 nrex 2569 nrexdv 2570 ralnex2 2616 r19.30dc 2624 uni0b 3832 iindif2m 3951 f0rn0 5406 supmoti 6986 fodjuomnilemdc 7136 ismkvnex 7147 nninfwlpoimlemginf 7168 suprnubex 8896 icc0r 9910 ioo0 10243 ico0 10245 ioc0 10246 prmind2 12100 sqrt2irr 12142 nconstwlpolem 14461 |
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