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Mirrors > Home > ILE Home > Th. List > reximssdv | Unicode version |
Description: Derivation of a
restricted existential quantification over a subset (the
second hypothesis implies ![]() ![]() ![]() |
Ref | Expression |
---|---|
reximssdv.1 |
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reximssdv.2 |
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reximssdv.3 |
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Ref | Expression |
---|---|
reximssdv |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reximssdv.1 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | reximssdv.2 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
3 | reximssdv.3 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
4 | 2, 3 | jca 306 |
. . . 4
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5 | 4 | ex 115 |
. . 3
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6 | 5 | reximdv2 2586 |
. 2
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7 | 1, 6 | mpd 13 |
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-5 1457 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-4 1520 ax-17 1536 ax-ial 1544 |
This theorem depends on definitions: df-bi 117 df-rex 2471 |
This theorem is referenced by: suplocexprlemrl 7729 neissex 13936 iscnp4 13989 suplociccex 14374 |
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