Fill in the Blanks Valid or Invalid Argument Fill the BlanksOnline version Valid or Invalid Argument Fill the Blanks by Olena Hawranick 1 p ~ p ~ q q → Valid Argument type 1 ( Modus Ponens ) : p ? - - - - - - - - - - - - q 2 ~ q → ~q Valid Argument type 2 ( Modus Tollens ) p ? - - - - - - - - - 3 Valid2 Invalid Valid1 a ? b a - - - - - - - - b Argument 4 Valid2 Valid1 Invalid a ? b b - - - - - - - - a Argumen t 5 Valid1 Valid2 Invalid a ? b ~b - - - - - - - - ~a Argumen t 6 Invalid Valid1 Valid2 a ? b ~a - - - - - - - - ~b Argumen t 7 c valid2 invalid c b valid b All college students read books . ( If you are a college student ( c ) then you read books ( b ) ) . I am a college student . So , I read books . ? _________ Valid or invalid ? 8 ~ invalid b c valid b valid1 ~ c All college students read books . ( If you are a college student ( c ) then you read books ( b ) ) . I do not read books . So , I am not a college student . ? ____ Valid or invalid ? 9 s s h valid2 invalid h valid If you are a student ( s ) then you do homework ( h ) . I am a student . So , I do homework . ? - - - - - - - - Valid or invalid ? 10 ~ h ~ s s valid1 h valid invalid If you are a student ( s ) then you do homework ( h ) . I do not do homework . So , I am not a student . ? - - - - - - - - Valid or invalid ? 11 a valid a s s invalid valid2 All squirrels like apples . ( If this creature is a squirrel ( s ) then she likes apples ( a ) ) . This creature is a squirrel . So , she likes apples . ? - - - - - - Valid or invalid ? 12 valid1 i r r valid2 i invali If it is raining ( r ) then we stay inside ( i ) . We stay inside . So , it is raining . ? - - - - - - Valid or invalid ? 13 p p invali h valid1 ~ ~ h valid2 If I promise to help ( p ) then I will help ( h ) . I did not promise to help . So , I wont help . ? - - - - - - - Valid or invalid ? 14 h Invali h valid2 d ~ ~ d valid1 If I have homework due tomorrow ( d ) then I do my homework ( h ) . I do not have homework due tomorrow . So , I won't do my homework . ? - - - - - - Valid or invalid ?