>>10013524_aD9RVpL1TeyvS8elenLno64QVsP19U20
Burn that excel spread sheet
[A] recursive definition (when properly formulated) never leads to infinite regress or paradox. This is because a recursive definition never defines something in terms of itself, but always in terms of simpler versions of itself.
A rainbow can be seen only in the morning or late afternoon. It can occur only when the sun is 40 degrees or less above the horizon.