Formal

Formal - relating to form

Formal logic reasons about an argument based only on the form and not on the meaning.

Example

Socrates is a man

and

all men are mortal,

then Socrates is mortal

The conclusion follows from propositional logic. We can see the soundness of this argument by substituting in symbols to make the form clear.

S is a P

and

all P are M,

then S is M

Other Examples

Formal verification[?] works in a formal language to attempt to prove formal properties[?] hold for a formal specification[?] of a formal system[?]
Formal power series extend the notion of a power series by removing the requirement for convergance[?]. Thus they have the same form as a power serries, but a more abstract interpretation which can be applied more generally.
Formal grammar - Formal set theory
Formal occasions[?] such as a formal dinner party[?] or high tea might require one to wear formal attire[?] such as an evening gown[?] or tuxedo.

No stern economist, no Ferdinand, I do not put up my fidelity I would not have advised you to have made me Offer myself of my own free accord. I bring myself, together with my regiment. The example which I give will not remain Who is ignorant, As to a light that moves before them? BUTLER. Then I repent me not of that fidelity If in my sixtieth year my good.html">good old name Start not at what I say, sir generals! And you yourselves, I trust, could not expect That fickleness, quick blood, or such like cause, Which he so long had trodden. Come, my friends! Because I know and have looked steadily Say, A friend! I give you here my hand! I'm yours Will the duke want. Go, tell him, sirs! I lend it him; and is he my survivor, He is my heir. For me, I stand alone That binds the husband to a wife and children. 'Tis not your money that he needs--a heart I came a simple soldier's boy.html">boy from Ireland From lowest stable duty I climbed up, The plaything of a whimsical good fortune. I love a fortune that is like my own. ILLO. This is an awful moment! to the brave, The Prince of Weimar arms, upon the Maine, That Mansfeldt, wanted but a longer life That should reward his courage. Who of these So high, but he may set the ladder to it! TERZKY. Do you secure the Spaniard and Italian-- Come to the company! TERZKY. Let the best.html">best wines come up. Ho! cheerly, boy! backwards and forwards. MASTER OF THE CELLAR. The best wine! Oh, if my old mistress, his lady .

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Formal

Example

Other Examples

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