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q p r s t u v w x y z are the alphabets for logic branch of mathematics in fact logic and geometry help each other a lot
The letters F,G,J,L,N,P,Q,R,Z have no line of symmetry in the verticle or horizontal.
As capital letters: F, G, J, L, N, P, Q, R, S, and Z have no axis of symmetry. As lower case letters: a (depending on how you write it), b, d, e, f, g, h, j, k, m and n (again, depends on how you write them specifically) p, q, r, s, y, and z are non-symmetrical.
the numbers tht do not have line of symmetry are f ,g,j,l,n,p,q,r,s,,x,z.
A discrete topology on the integers, Z, is defined by letting every subset of Z be open If that is true then Z is a discrete topological space and it is equipped with a discrete topology. Now is it compact? We know that a discrete space is compact if and only if it is finite. Clearly Z is not finite, so the answer is no. If you picked a finite field such a Z7 ( integers mod 7) then the answer would be yes.