Identity - symbolisation Flashcards

1
Q

Only c is G

A

∀x(Gx ↔ x=c)

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2
Q

Everything besides c is G

A

∀x(¬x=c→Gx)

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3
Q

The F is G

A

∃x(Fx∧∀y(Fy→x=y)∧Gx)

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4
Q

It is not the case that the F is G

A

¬∃x(Fx∧∀y(Fy→x=y)∧Gx)

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5
Q

The F is non-G

A

∃x(Fx∧∀y(Fy → x = y)∧¬Gx)

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