Bertrand Arthur William Russell

The real world is often different from logical thinking. We perceive the reality through our five senses like eyes and nose. Then, we describe the logic.

I am a Japanese, and we know that there is no Darth Vader in democratic society.

He was the last shogunate.

I mention it mathematically.

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Every shogunate is bald.

(α) There is at least a shogunate in Japan even now.
(β) There is at most a shogunate in Japan.
(γ) Every shogunate is bald in Japan.

x and y are variable. B(x) means the baldness.

∴

This is completely arbitrary. You see the baldness.