reserve

  k,n,m,i,j for Element of NAT,
  K for Field;
reserve L for non empty addLoopStr;
reserve G for non empty multLoopStr;

theorem Th14:
  1.(K,0)=0.(K,0) & 1.(K,0)={}
proof
A1: len 1.(K,0) = 0 by MATRIX_0:24;
  hence 1.(K,0)=0.(K,0);
  thus thesis by A1;
end;
