Entry Value
Package Name list-length-thm
Count 4
Theorems
  • LENGTH_EQ_CONS : !l n. LENGTH l = SUC n <=> (?h t. l = CONS h t /\ LENGTH t = n)
  • LENGTH_EQ_NIL : !l. LENGTH l = 0 <=> l = []
  • LENGTH_TL : !l. ~NULL l ==> LENGTH (TL l) = LENGTH l - 1
  • NULL_LENGTH : !l. LENGTH l = 0 <=> NULL l
  • Back to main package page