1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
from typing import Any, overload, Sequence, TypeVar
import act4e_interfaces as I
X = TypeVar("X")
class SolFiniteSetProperties(I.FiniteSetProperties):
def is_subset(self, a: I.FiniteSet[X], b: I.FiniteSet[X]) -> bool:
""" is a a subset of b ? """
return all([b.contains(e) for e in a.elements()])
def equal(self, a: I.FiniteSet[X], b: I.FiniteSet[X]) -> bool:
return self.is_subset(a, b) and self.is_subset(b, a)
def is_strict_subset(self, a: I.FiniteSet[X], b: I.FiniteSet[X]) -> bool:
return self.is_subset(a, b) and not self.is_subset(b, a)
class SolFiniteMakeSetUnion(I.FiniteMakeSetUnion):
def union(self, components: Sequence[I.FiniteSet[X]]) -> I.FiniteSetUnion[X, Any]:
raise NotImplementedError() # implement here
class SolFiniteMakeSetIntersection(I.FiniteMakeSetIntersection):
def intersection(self, components: Sequence[I.FiniteSet[X]]) -> I.FiniteSet[X]:
raise NotImplementedError()
|
