Correctness.thy
changeset 69 1dc801552dfd
parent 68 db196b066b97
child 73 b0054fb0d1ce
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68:db196b066b97 69:1dc801552dfd
     1 theory Correctness
     1 theory Correctness
     2 imports PIPBasics
     2 imports PIPBasics
     3 begin
     3 begin
       
     4 
     4 
     5 
     5 text {* 
     6 text {* 
     6   The following two auxiliary lemmas are used to reason about @{term Max}.
     7   The following two auxiliary lemmas are used to reason about @{term Max}.
     7 *}
     8 *}
     8 lemma image_Max_eqI: 
     9 lemma image_Max_eqI: