Sun, 28 Oct 2001 21:10:47 +0100 equal_intr_rule already declared in Pure;
wenzelm [Sun, 28 Oct 2001 21:10:47 +0100] rev 11976
equal_intr_rule already declared in Pure;
Sun, 28 Oct 2001 19:44:58 +0100 rules for meta-level conjunction;
wenzelm [Sun, 28 Oct 2001 19:44:58 +0100] rev 11975
rules for meta-level conjunction;
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