6.02

And thus we come to numbers: I define

`x`=	Ω⁰’`x` Def. and
Ω’Ω^ν’`x`=	Ω^ν+1’`x` Def.

According, then, to these symbolic rules we write the series

x, Ω’x, Ω’Ω’x, Ω’Ω’Ω’x,…

as:

Ω⁰’x, Ω⁰⁺¹’x, Ω⁰⁺¹⁺¹’x, Ω^0+1+1+1’x,…

Therefore I write in place of “[x, ξ, Ω’ξ]”,

“[Ω⁰’x, Ω^ν’x, Ω^ν+1’x]”.

And I define:

0+1=1 Def.

0+1+1=2 Def.

0+1+1+1=3 Def.

and so on.

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