doc-src/TutorialI/CTL/PDL.thy
changeset 10210 e8aa81362f41
parent 10186 499637e8f2c6
child 10212 33fe2d701ddd
equal deleted inserted replaced
10209:b24210573eca 10210:e8aa81362f41
   104 \ \isadigit{1}{\isachardot}\ {\isasymAnd}s{\isachardot}\ s\ {\isasymin}\ lfp\ {\isacharparenleft}{\isasymlambda}T{\isachardot}\ A\ {\isasymunion}\ M{\isacharcircum}{\isacharminus}\isadigit{1}\ {\isacharcircum}{\isacharcircum}\ T{\isacharparenright}\ {\isasymLongrightarrow}\ {\isasymexists}t{\isachardot}\ {\isacharparenleft}s{\isacharcomma}\ t{\isacharparenright}\ {\isasymin}\ M{\isacharcircum}{\isacharasterisk}\ {\isasymand}\ t\ {\isasymin}\ A
   104 \ \isadigit{1}{\isachardot}\ {\isasymAnd}s{\isachardot}\ s\ {\isasymin}\ lfp\ {\isacharparenleft}{\isasymlambda}T{\isachardot}\ A\ {\isasymunion}\ M{\isacharcircum}{\isacharminus}\isadigit{1}\ {\isacharcircum}{\isacharcircum}\ T{\isacharparenright}\ {\isasymLongrightarrow}\ {\isasymexists}t{\isachardot}\ {\isacharparenleft}s{\isacharcomma}\ t{\isacharparenright}\ {\isasymin}\ M{\isacharcircum}{\isacharasterisk}\ {\isasymand}\ t\ {\isasymin}\ A
   105 \end{isabelle}
   105 \end{isabelle}
   106 which is proved by @{term lfp}-induction:
   106 which is proved by @{term lfp}-induction:
   107 *}
   107 *}
   108 
   108 
   109  apply(erule Lfp.induct)
   109  apply(erule lfp_induct)
   110   apply(rule mono_ef)
   110   apply(rule mono_ef)
   111  apply(simp)
   111  apply(simp)
   112 (*pr(latex xsymbols symbols);*)
   112 (*pr(latex xsymbols symbols);*)
   113 txt{*\noindent
   113 txt{*\noindent
   114 Having disposed of the monotonicity subgoal,
   114 Having disposed of the monotonicity subgoal,