Path: blob/master/src/sage/matroids/circuit_closures_matroid.pxd
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from matroid cimport Matroid
cdef class CircuitClosuresMatroid(Matroid):
cdef frozenset _groundset # _E
cdef dict _circuit_closures # _CC
cdef int _matroid_rank # _R
cpdef groundset(self)
cpdef _rank(self, X)
cpdef full_rank(self)
cpdef _is_independent(self, F)
cpdef _max_independent(self, F)
cpdef _circuit(self, F)
cpdef circuit_closures(self)
cpdef _is_isomorphic(self, other)