Note on the size of standard two-character sets in PG(d,q)

This note concerns skills and research areas relating to the foundations of mathematics and the aspects of complementary and elementary mathematics from a higher point of view necessary for their treatment. In particular, we prove that, in PG(d,q), with d odd or q a square, any c-set of type (a,b) with 1 1 2 2 1 1 2 2 , d d d d d d c a J q b J q J J − − − − − −         +   −             ∈ has standard parameters.