Try...

aFoo bar: aBar negated baz: aBaz negated baq: aBaq negated.

> Foo>>#bar: aBar baz: aBaz baq: aBaq
> 	"Negate all my arguments before continuing..."
> 	thisContext arguments do: [ :arg | arg := arg negated ].
>
>
>
> There is (suprisingly) no #arguments method for thisContext.
>
If there had been a need for one I am sure we'd have it by now?! Anybody..
.???

Sean Charles