20091230 
krauss 
20091230 
killed a few warnings

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20091127 
berghofe 
20091127 
Removed eq_to_mono2, added not_mono.

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20091109 
paulson 
20091109 
New theory Probability/Borel.thy, and some associated lemmas

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20091021 
paulson 
20091021 
merged

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20091020 
paulson 
20091020 
Some new lemmas concerning sets

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20091021 
haftmann 
20091021 
merged

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20091021 
haftmann 
20091021 
dropped redundant gen_ prefix

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20091020 
haftmann 
20091020 
replaced old_style infixes eq_set, subset, union, inter and variants by generic versions

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20091020 
paulson 
20091020 
Removal of the unused atpset concept, the atp attribute and some related code.

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20091007 
haftmann 
20091007 
tuned proofs

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20090919 
haftmann 
20090919 
inter and union are mere abbreviations for inf and sup

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20090831 
nipkow 
20090831 
tuned the simp rules for Int involving insert and intervals.

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20090728 
haftmann 
20090728 
Set.UNIV and Set.empty are mere abbreviations for top and bot

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20090722 
haftmann 
20090722 
moved complete_lattice &c. into separate theory

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20090722 
haftmann 
20090722 
set intersection and union now named inter and union; closer connection between set and lattice operations; factored out complete lattice

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20090721 
haftmann 
20090721 
attempt for more concise setup of nonetacontracting binders

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20090721 
haftmann 
20090721 
Set.thy: prefer = over == where possible; tuned ML setup; dropped (moved) ML legacy

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20090721 
haftmann 
20090721 
swapped bootstrap order of UNION/Union and INTER/Inter in theory Set

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20090720 
haftmann 
20090720 
less digestible

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20090720 
haftmann 
20090720 
refined outline structure

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20090720 
haftmann 
20090720 
merged

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20090720 
haftmann 
20090720 
closer relation of sets and complete lattices; corresponding consts, defs and syntax at similar places in theory text

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20090720 
haftmann 
20090720 
merged

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20090714 
haftmann 
20090714 
refinement of lattice classes

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20090715 
wenzelm 
20090715 
more antiquotations;

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20090711 
haftmann 
20090711 
added boolean_algebra type class; tuned lattice duals

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20090706 
wenzelm 
20090706 
structure Thm: less pervasive names;

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20090615 
haftmann 
20090615 
authentic syntax for Pow and image

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20090605 
haftmann 
20090605 
merged

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20090604 
haftmann 
20090604 
insert now qualified and with authentic syntax

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20090604 
nipkow 
20090604 
finite lemmas

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20090518 
nipkow 
20090518 
finetuned elimination of comprehensions involving x=t.

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20090516 
nipkow 
20090516 
"{x. P x & x=t & Q x}" is now rewritten to "if P t & Q t then {t} else {}"
by the new simproc defColl_regroup. More precisely, the simproc pulls an
equation x=t (or t=x) out of a nest of conjunctions to the front where the
simp rule singleton_conj_conv(2) converts to "if".

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20090331 
wenzelm 
20090331 
tuned;

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20090319 
haftmann 
20090319 
tuned some theorem and attribute bindings

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20090314 
haftmann 
20090314 
reverted to old version of Set.thy  strange effects have to be traced first

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20090307 
haftmann 
20090307 
restructured theory Set.thy

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20090305 
haftmann 
20090305 
set operations Int, Un, INTER, UNION, Inter, Union, empty, UNIV are now proper qualified constants with authentic syntax

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20090213 
nipkow 
20090213 
finiteness lemmas

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20090129 
berghofe 
20090129 
Added strong congruence rule for UN.

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20081010 
haftmann 
20081010 
`code func` now just `code`

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20080811 
haftmann 
20080811 
rudimentary code setup for set operations

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20080701 
huffman 
20080701 
remove simp attribute from range_composition

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20080610 
haftmann 
20080610 
removed some dubious code lemmas

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20080507 
berghofe 
20080507 
 Now uses Orderings as parent theory
 "'a set" is now just a type abbreviation for "'a => bool"
 The instantiation "set :: (type) ord" and the definition of (p)subset is
no longer needed, since it is subsumed by the order on functions and booleans.
The derived theorems (p)subset_eq can be used as a replacement.
 mem_Collect_eq and Collect_mem_eq can now be derived from the definitions
of mem and Collect.
 Replaced the instantiation "set :: (type) minus" by the two instantiations
"fun :: (type, minus) minus" and "bool :: minus". The theorem set_diff_eq
can be used as a replacement for the definition set_diff_def
 Replaced the instantiation "set :: (type) uminus" by the two instantiations
"fun :: (type, uminus) uminus" and "bool :: uminus". The theorem Compl_eq
can be used as a replacement for the definition Compl_def.
 Variable P in rule split_if must be instantiated manually in proof of
split_if_mem2 due to problems with HO unification
 Moved definition of dense linear orders and proofs about LEAST from
Orderings to Set
 Deleted code setup for sets

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20080422 
haftmann 
20080422 
constant HOL.eq now qualified

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20080402 
haftmann 
20080402 
explicit class "eq" for operational equality

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20080329 
wenzelm 
20080329 
replaced 'ML_setup' by 'ML';

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20080319 
wenzelm 
20080319 
eliminated change_claset/simpset;

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20080226 
haftmann 
20080226 
moved some set lemmas from Set.thy here

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20080125 
haftmann 
20080125 
improved code theorem setup

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20080102 
haftmann 
20080102 
splitted class uminus from class minus

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20071130 
haftmann 
20071130 
adjustions to due to instance target

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20071129 
haftmann 
20071129 
instance command as rudimentary class target

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20071123 
haftmann 
20071123 
interpretation of typedecls: instantiation to class type

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20071109 
krauss 
20071109 
avoid name clashes when generating code for union, inter

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20071105 
nipkow 
20071105 
added lemmas

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20070926 
haftmann 
20070926 
convenient obtain rule for sets

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20070920 
haftmann 
20070920 
clarified code lemmas

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20070824 
haftmann 
20070824 
made sets executable

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