Πλοριεσ ΅ερκσταττ ∆∂ + ∆∏ =∞ -> 0∏ o ∑ † – ∞∆∂ + π = xy -> ∞ – λ ερo aδ τυ θ αδ ετ 0∞ ς αδ 0π + α – δ = xφ -> γ ιοT: 01 + 10 = 11 01 + 01 = 10 10 + 10 = 00 11 + 01 = 0011 + 10 = 01 11 + 11 = 10 X + 00 = X