# HG changeset patch # User wenzelm # Date 1738494663 -3600 # Node ID 2ea9f9ed19c65fafbec86d5fab2ea90ae1b94e7f # Parent 9457e0133a851606dec434a8c19402c25e585bae tuned; diff -r 9457e0133a85 -r 2ea9f9ed19c6 src/Pure/Examples/Higher_Order_Logic.thy --- a/src/Pure/Examples/Higher_Order_Logic.thy Sun Feb 02 00:14:26 2025 +0100 +++ b/src/Pure/Examples/Higher_Order_Logic.thy Sun Feb 02 12:11:03 2025 +0100 @@ -9,12 +9,13 @@ begin text \ - The following theory development illustrates the foundations of Higher-Order - Logic. The ``HOL'' logic that is given here resembles \<^cite>\"Gordon:1985:HOL"\ and its predecessor \<^cite>\"church40"\, but the order of - axiomatizations and defined connectives has be adapted to modern - presentations of \\\-calculus and Constructive Type Theory. Thus it fits - nicely to the underlying Natural Deduction framework of Isabelle/Pure and - Isabelle/Isar. + The following theory development illustrates the foundations of + Higher-Order Logic. The ``HOL'' logic that is given here resembles + \<^cite>\"Gordon:1985:HOL"\ and its predecessor \<^cite>\"church40"\, but + the order of axiomatizations and defined connectives has be adapted to + modern presentations of \\\-calculus and Constructive Type Theory. Thus + it fits nicely to the underlying Natural Deduction framework of + Isabelle/Pure and Isabelle/Isar. \ diff -r 9457e0133a85 -r 2ea9f9ed19c6 src/Pure/ex/Guess.thy --- a/src/Pure/ex/Guess.thy Sun Feb 02 00:14:26 2025 +0100 +++ b/src/Pure/ex/Guess.thy Sun Feb 02 12:11:03 2025 +0100 @@ -26,10 +26,10 @@ begin text \ - The @{command guess} is similar to @{command obtain}, but it derives the - obtained context elements from the course of tactical reasoning in the - proof. Thus it can considerably obscure the proof: it is provided here as - \<^emph>\improper\ and experimental feature. + The is similar to @{command obtain}, but it derives the obtained context + elements from the course of tactical reasoning in the proof. Thus it can + considerably obscure the proof: it is provided here as \<^emph>\improper\ and + experimental feature. A proof with @{command guess} starts with a fixed goal \thesis\. The subsequent refinement steps may turn this to anything of the form