Down the rabbit hole

• What happens if we apply self_app to itself??
• >>> (lambda x: x(x)) ( lambda x: x(x) )
• x(x)
• x ( x )
• / \ / \
• ------------ ------------
• (lambda x: x(x)) ( (lambda x: x(x)) )
• We get the exact original back. Evaluate that…
• We get the exact original back. Evaluate that…
• We get the exact original back. Evaluate that…
• We get the exact original back. Evaluate that…
• …...