Thu, 21 Oct 1999 18:59:25 +0200 wenzelm end/kill_theory: check_known_thy;
Thu, 21 Oct 1999 18:59:01 +0200 wenzelm added touch_child_thys;
Thu, 21 Oct 1999 18:47:33 +0200 wenzelm \isakeyword: fixed italic correction;
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