doc-src/Errata.txt
author paulson
Fri, 17 Jan 1997 12:49:31 +0100
changeset 2516 4d68fbe6378b
parent 103 30bd42401ab2
permissions -rw-r--r--
Now with Andy Gordon's treatment of freshness to replace newN/K
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ERRATA FOR ISABELLE MANUAL
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** THM : BASIC INFERENCE **
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Pure/tactic/lift_inst_rule: now checks for distinct parameters (could also
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compare with free variable names, though).  Variables in the insts are now
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lifted over all parameters; their index is also increased.  Type vars in
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the lhs variables are also increased by maxidx+1; this is essential for HOL
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examples to work.
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** THEORY MATTERS (GENERAL) **
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Definitions: users must ensure that the left-hand side is nothing
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more complex than a function application -- never using fancy syntax.  E.g.
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never
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>     ("the_def",      "THE y. P(y) == Union({y . x:{0}, P(y)})" ),
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but
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<     ("the_def",      "The(P) == Union({y . x:{0}, P(y)})" ),
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Provers/classical, simp (new simplifier), tsimp (old simplifier), ind
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** SYSTEMS MATTERS **
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explain make system?  maketest
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