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src/Pure/thm.ML
changeset 71777 3875815f5967
parent 71553 cf2406e654cf
child 73860 dfac078e5444 
--- a/src/Pure/thm.ML	Tue Apr 21 22:04:15 2020 +0200
+++ b/src/Pure/thm.ML	Tue Apr 21 22:19:59 2020 +0200
@@ -1719,7 +1719,7 @@
     val Cterm {t = prop, maxidx, sorts, ...} = global_cterm_of thy (Logic.mk_of_class (T, c));
   in
     if Sign.of_sort thy (T, [c]) then
-      Thm (deriv_rule0 (fn () => Proofterm.OfClass (T, c)),
+      Thm (deriv_rule0 (fn () => Proofterm.PClass (T, c)),
        {cert = cert,
         tags = [],
         maxidx = maxidx,
isabelle