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ERRATA FOR ISABELLE MANUAL
** THM : BASIC INFERENCE **
Pure/tactic/lift_inst_rule: now checks for distinct parameters (could also
compare with free variable names, though). Variables in the insts are now
lifted over all parameters; their index is also increased. Type vars in
the lhs variables are also increased by maxidx+1; this is essential for HOL
examples to work.
** THEORY MATTERS (GENERAL) **
Definitions: users must ensure that the left-hand side is nothing
more complex than a function application -- never using fancy syntax. E.g.
never
> ("the_def", "THE y. P(y) == Union({y . x:{0}, P(y)})" ),
but
< ("the_def", "The(P) == Union({y . x:{0}, P(y)})" ),
Provers/classical, simp (new simplifier), tsimp (old simplifier), ind
** SYSTEMS MATTERS **
explain make system? maketest
expandshort