author nipkow
Sun, 11 Sep 1994 12:52:00 +0200
changeset 601 208834a9ba70
parent 599 08b403fe92b1
child 614 da97045ef59a
permissions -rw-r--r--
Added primrec section

ERRATA in the book "Isabelle: A Generic Theorem Prover"
by Lawrence C. Paulson (contributions by Tobias Nipkow)

Some of these errors are typographical but most of them are due to continuing
changes to Isabelle.

Thanks to Sara Kalvala, Tobias Nipkow


Advanced Methods

page 52, middle: the declaration "types bool,nat" should be "types bool nat"

page 57, bottom: should be addsimps in 
	val add_ss = FOL_ss addrews [add_0, add_Suc]



page 67: show_brackets is another flag, controlling display of bracketting


page 85: subgoals_tac is another tactic, for multiple calls to subgoal_tac


page 117: the three lines of ML shown can be abbreviated to just

page 118: extend_theory has been replaced by numerous functions for adding
types, constants, axioms, etc.

Defining Logics

page 127: type constraints ("::") now have a very low priority of 4.
As in ML, they must usually be enclosed in paretheses.

Syntax Transformations

page 145, line -5: delete repeated "the" in "before the the .thy file"


Zermelo-Fraenkel Set Theory

page 209: axioms have been renamed:
	union_iff is now Union_iff
	power_set is now Pow_iff

page 215, bottom of figure 17.10: DiffD2 is now  "c : A - B ==> c ~: B"

page 215, bottom: rules mem_anti_sym and mem_anti_refl are now mem_asym and

page 222, top: missing braces in qconverse_def (around right-hand side)
and QSigma_def (around <x;y>)

page 223, top: lfp_def, gfp_def have missing braces around the argument of
Inter, Union

page 228: now there is also a theory of cardinal numbers and some
developments involving the Axiom of Choice.

page 229: now there is another examples directory, IMP (a semantics
equivalence proof for an imperative language)

Higher-Order Logic

page 243: Pow is a new constant of type 'a set => 'a set set

page 246: Pow is defined by   Pow(A) == {B. B <= A}

page 248: Pow has the rules
	PowI     A<=B ==> A: Pow(B)
	PowD     A: Pow(B) ==> A<=B

page 259: HOL theory files may now include datatype declarations, primitive
recursive function definitions, and (co)inductive definitions.  (Three
sections added.)

page 259: now there is another examples directory, IMP (a semantics
equivalence proof for an imperative language)