Leonardo de Moura 9128a437b8 refactor(library/cast): replace cast semantic attachment with axioms, add heterogeneous symmetry axiom ... Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>		2013-12-21 18:23:37 -08:00
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lean	refactor(library/cast): replace cast semantic attachment with axioms, add heterogeneous symmetry axiom	2013-12-21 18:23:37 -08:00
lua	refactor(kernel): add unfold_opaque flag to normalizer, modify how type checker uses the opaque flag, remove hidden_defs, and mark most builtin definitions as opaque	2013-12-20 12:47:47 -08:00