Theorem
19.29r
Variation of
19.29
. (Contributed by NM, 18-Aug-1993.) (Proof shortened by Wolf Lammen, 12-Nov-2020.)
Conclusion
\( \vdash \exists x \, \varphi \wedge \forall x \, \psi \rightarrow \exists x \, (\varphi \wedge \psi) \)
Proof
pm3.21
aleximi
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impcom
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