a and (1)
our minds (2)
notion and (1)
one another (6)
a b (1)
experience and (2)
which can (1)
the pure (1)
in us (1)
of itself (1)
the parts (2)
we say (3)
the science (1)
the notion (1)
idea is (1)
by itself (2)
we find (1)
science of (1)