"A supposititious case is the same thing, very nearly, as a hypothetical proposition.

It consists of two parts, a protasis and an apodosis.
For instance--" "It's laughing at me you are." "It is not, but trying to educate you a little.

For instance, I should be putting a hypothetical case if I were to say, 'Supposing you cooked the dinner I described every day for Mr.Doyle--'" "I couldn't do it then, for I wouldn't be fit." "That's exactly what makes it a supposititious case," said Meldon.
"Now perhaps you'll understand that I don't intend to poison Mr.
Simpkins myself." "Nor the doctor won't do it for you," said Sabina.
"You said a minute ago that he would." "He would not, for he's a nice gentleman, as simple and innocent as a child, only an odd time when his temper would be riz." "Any way he won't be asked to.

Good-bye, Sabina.

I'll look in and see you next time I'm passing.