--- a/NEWS Tue Oct 01 23:51:15 2013 +0200
+++ b/NEWS Wed Oct 02 10:13:54 2013 +0300
@@ -169,6 +169,38 @@
sets ~> set
IMCOMPATIBILITY.
+* Lifting:
+ - parametrized correspondence relations are now supported:
+ + parametricity theorems for the raw term can be specified in
+ the command lift_definition, which allow us to generate stronger
+ transfer rules
+ + setup_lifting generates stronger transfer rules if parametric
+ correspondence relation can be generated
+ + various new properties of the relator must be specified to support
+ parametricity
+ + parametricity theorem for the Quotient relation can be specified
+ - setup_lifting generates domain rules for the Transfer package
+ - stronger reflexivity prover of respectfulness theorems for type
+ copies
+ - ===> and --> are now local. The symbols can be introduced
+ by interpreting the locale lifting_syntax (typically in an
+ anonymous context)
+ - Lifting/Transfer relevant parts of Library/Quotient_* are now in
+ Main. Potential INCOMPATIBILITY
+ - new commands for restoring and deleting Lifting/Transfer context:
+ lifting_forget, lifting_update
+ - the command print_quotmaps was renamed to print_quot_maps.
+ INCOMPATIBILITY
+
+* Transfer:
+ - better support for domains in Transfer: replace Domainp T
+ by the actual invariant in a transferred goal
+ - transfer rules can have as assumptions other transfer rules
+ - Experimental support for transferring from the raw level to the
+ abstract level: Transfer.transferred attribute
+ - Attribute version of the transfer method: untransferred attribute
+
+
* Function package: For mutually recursive functions f and g, separate
cases rules f.cases and g.cases are generated instead of unusable
f_g.cases which exposed internal sum types. Potential INCOMPATIBILITY,
@@ -194,6 +226,9 @@
expand_poly_eq ~> poly_eq_iff
IMCOMPATIBILITY.
+* New Library/FSet.thy: type of finite sets defined as a subtype of
+ sets defined by Lifting/Transfer
+
* Reification and reflection:
- Reification is now directly available in HOL-Main in structure
"Reification".