(6) “It is evident that all who get justice buy it; since only the rich get it.”

The above arguments thrown into logical form and validity or invalidity stated: (The student should test these in detail.)

(1) A  All M
belonging to the team which won the championship were star G
players,

A  S
He played with the M
team which won the championship,

A ∴ G
He is a star player. Valid in form.

(2) E  M
One who serves a term of 90 days in jail is not to be G
trusted,

A  This S
man served a M
term of 90 days in jail,

E ∴ This S
man is not to be G
trusted. Valid in form.

(3) A  All M
gravitating bodies are G
material,

E  S
Ether does not M
gravitate,