# 這足以得出結論G是假的嗎？

Axiom 1: A statement that is true will remain true till a change is made in the system.
Axiom 2: A statement may not be true and not true.
Axiom 3: A statement must either be true or not true.


G can not be proven as true.


G is       Provable true     Provable false     Not provable true/false
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True            ?1                 ?2                  ?3
False           ?4                 ?5                  ?6