Chapter 9, Level 1 Self Quiz: F1

* not completed

. Choose the correct translation of the following statement.

Something destroyed everything. ( Dxy: x destroyed y )

( ∃x ) ( y )Dxy correct incorrect

( ∃x ) ( y )Dyx correct incorrect

( x ) ( y )Dxy correct incorrect

( x ) ( y )Dyx correct incorrect

* not completed

. Choose the correct translation of the following statement.

Anyone who reads Tolstoy reads Dostoevsky. ( Rxy: x reads y; t: Tolstoy; d: Dostoevsky )

( x ) ( Rxt • Rxd ) correct incorrect

( ∃x ) ( Rxt ⊃ Rxd ) correct incorrect

( x ) ( Rxt ⊃ Rxd ) correct incorrect

( ∃x ) ( Rxt ⊃ Rxd ) correct incorrect

* not completed

. Choose the correct translation of the following statement.

Everyone is a child of someone. ( Cxy: x is a child of y )

( x ) ( ∃y ) Cxy correct incorrect

( x ) ( ∃y ) Cyx correct incorrect

( x )Cx • ( ∃y ) Cy correct incorrect

Cxy correct incorrect

* not completed

. Choose the correct translation of the following statement.

Every grandparent is the parent of a parent of someone. ( Gx: x is a grandparent; Pxy: x is a parent of y )

( ∃x )[Gx ⊃ ( ∃y ) ( ∃z ) ( Pyz • Pxy )] correct incorrect

( ∃x )[Gx • ( ∃y ) ( ∃z ) ( Pyz • Pxy )] correct incorrect

( x )[Gx ⊃ ( ∃y ) ( ∃z ) ( Pzy ⊃ Pzx )] correct incorrect

( x )[Gx ⊃ ( ∃y ) ( ∃z ) ( Pyz • Pxy )] correct incorrect