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At: assoced weakening 2
1. a : 
2. b : 
3. a = b
  b | a
By: (RWH (HypC 3) 0) THEN (BackThru Thm* a:. a | a)

Generated subgoals:

None

About:
intequalall
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(3steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc