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Mirrors > Home > ILE Home > Th. List > r19.28mv | Unicode version |
Description: Restricted quantifier version of Theorem 19.28 of [Margaris] p. 90. It is valid only when the domain of quantification is inhabited. (Contributed by Jim Kingdon, 6-Aug-2018.) |
Ref | Expression |
---|---|
r19.28mv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1509 |
. 2
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2 | 1 | r19.28m 3457 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-cleq 2133 df-clel 2136 df-ral 2422 |
This theorem is referenced by: iinrabm 3883 iindif2m 3888 iinin2m 3889 xpiindim 4684 fintm 5316 ixpiinm 6626 neipsm 12362 |
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