--- a/src/FOL/ROOT Tue Nov 20 13:44:06 2018 +0100
+++ b/src/FOL/ROOT Tue Nov 20 13:46:13 2018 +0100
@@ -1,7 +1,7 @@
chapter FOL
session FOL = Pure +
- description \<open>
+ description "
First-Order Logic with Natural Deduction (constructive and classical
versions). For a classical sequent calculus, see Isabelle/LK.
@@ -14,16 +14,16 @@
Antony Galton, Logic for Information Technology (Wiley, 1990)
Michael Dummett, Elements of Intuitionism (Oxford, 1977)
-\<close>
+ "
theories
IFOL (global)
FOL (global)
document_files "root.tex"
session "FOL-ex" in ex = FOL +
- description \<open>
+ description "
Examples for First-Order Logic.
-\<close>
+ "
theories
Natural_Numbers
Intro