Vega is a fixed star,
∴ Vega twinkles.
(2) All men are rational beings,
No tree is a rational being,
∴ No trees are men.
(3) All good citizens are law abiding,
All good citizens vote,
∴ Some who vote are law abiding.
I recall that the three terms are the middle, the major and the minor, and that the “middle” does not occur in the conclusion, whereas the “major” is always the predicate and the “minor” the subject of the conclusion. The symbols M, G and S being the initial letters of middle, greater and smaller, I make use of these in designating the three terms, as the following will illustrate:
(1) All M
fixed stars G
twinkle,