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doc-src/Errata.txt

author | oheimb |

Sat Feb 15 16:10:00 1997 +0100 (1997-02-15) | |

changeset 2628 | 1fe7c9f599c2 |

parent 103 | 30bd42401ab2 |

permissions | -rw-r--r-- |

description of del(eq)congs, safe and unsafe solver

1 ERRATA FOR ISABELLE MANUAL

3 ** THM : BASIC INFERENCE **

5 Pure/tactic/lift_inst_rule: now checks for distinct parameters (could also

6 compare with free variable names, though). Variables in the insts are now

7 lifted over all parameters; their index is also increased. Type vars in

8 the lhs variables are also increased by maxidx+1; this is essential for HOL

9 examples to work.

12 ** THEORY MATTERS (GENERAL) **

14 Definitions: users must ensure that the left-hand side is nothing

15 more complex than a function application -- never using fancy syntax. E.g.

16 never

17 > ("the_def", "THE y. P(y) == Union({y . x:{0}, P(y)})" ),

18 but

19 < ("the_def", "The(P) == Union({y . x:{0}, P(y)})" ),

21 Provers/classical, simp (new simplifier), tsimp (old simplifier), ind

23 ** SYSTEMS MATTERS **

25 explain make system? maketest

27 expandshort