(2steps total) PrintForm Definitions hol arithmetic 2 Sections HOLlib Doc
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At: heven wd
  and(equal(even(0),t),all(n:hnum. equal(even(suc(n)),not(even(n)))))
By: HN THEN StrongAuto THEN Try (Complete (Unfold `label` 0))

Generated subgoal:

1 1. n : 
  even(n+1) = even(n)
1 step

About:
boolassertnatural_numberaddapplyequal
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(2steps total) PrintForm Definitions hol arithmetic 2 Sections HOLlib Doc