Build boolean equality of a block of mutual inductive types
exception EqNotFound of Names.inductiveexception EqUnknown of stringexception UndefinedCst of stringexception InductiveWithProductexception InductiveWithSortexception ParameterWithoutEquality of Names.GlobRef.texception NonSingletonProp of Names.inductiveexception DecidabilityMutualNotSupportedexception NoDecidabilityCoInductiveexception ConstructorWithNonParametricInductiveType of Names.inductiveexception DecidabilityIndicesNotSupportedexception InternalDependencies
val beq_scheme_kind : Ind_tables.mutual Ind_tables.scheme_kind