Entry Value
Name stream_53
Conclusion !s1 s2. sinterleave s1 s2 = stream (\n. if EVEN n then snth s1 (n DIV 2) else snth s2 (n DIV 2))
Constructive Proof Yes
Axiom 
N|A
Classical Lemmas N|A
Constructive Lemmas
  • T
  • !x. x = x
  • !t. (!x. t) <=> t
  • !f y. (\x. f x) y = f y
  • !s1 s2. sinterleave s1 s2 = stream (\n. if EVEN n then snth s1 (n DIV 2) else snth s2 (n DIV 2))
  • T <=> (\p. p) = (\p. p)
  • (/\) = (\p q. (\f. f p q) = (\f. f T T))
  • (==>) = (\p q. p /\ q <=> p)
  • (!) = (\p. p = (\x. T))
  • NUMERAL = (\n. n)
    		•
    Contained Package stream
    Comment Stream package from OpenTheory.
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