deg1:Inequation of degree 1
fracx1:Simple fraction I
invx:Inverse I
invx2:Inverse II
lindeduc:Linear deduction
majsqr1:Upper-bound the square I
majsqr1b:Upper-bound the squrare Ib
possqr1:Positive square I
possqr2:Positive square II
sum:Given sum
transiadd:Transitivity and addition
xchgmult:Exchange & mult
