LR 4th edition, pp.423 solution

[fikid21]

pp. 423

only someone who truly understands economics would have any chance of being elected.

chance → understand econ.

pp. 373

the only students with special educational needs are students with learning disabilities.

SN → LD

Would you explain the difference ?

[ManhattanPrepLSAT1]

It's so simple, and yet not.

"The only" introduces a sufficient condition:

The only fruit on the table are apples.

Fruit on Table --> Apple

"Only" introduces a necessary condition:

Only pigs enjoy rolling in mud.

Enjoy rolling in mud --> Pig