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Theorem 19.35ri 1602
Description: Inference from Theorem 19.35 of [Margaris] p. 90. (Contributed by NM, 5-Aug-1993.)
Hypothesis
Ref Expression
19.35ri.1 (xφxψ)
Assertion
Ref Expression
19.35ri x(φψ)

Proof of Theorem 19.35ri
StepHypRef Expression
1 19.35ri.1 . 2 (xφxψ)
2 19.35 1600 . 2 (x(φψ) ↔ (xφxψ))
31, 2mpbir 200 1 x(φψ)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wal 1540  wex 1541
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557
This theorem depends on definitions:  df-bi 177  df-an 360  df-ex 1542
This theorem is referenced by:  exiftruOLD  1658  qexmid  1886
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