Geometry class challenge

Usage examples of proof.

As an accredited representative of my government, I could hardly be accused of doing such a thing without conclusive proof.

Following his advice, I wrote to the secretary of the Tribunal to the effect that I was happy to have given the Government a proof of my zeal, and an earnest of my desire to be useful to my country and to be worthy of being recalled.

There is no more striking proof of the universal adoration paid the stars and constellations, than the arrangement of the Hebrew camp in the Desert, and the allegory in regard to the twelve Tribes of Israel, ascribed in the Hebrew legends to Jacob.

As proof, you build a cathedral to Saint Peter on allodial land, which has no feudal obligations.

She bestowed five thousand pounds per annum, out of the post-office, on the duke of Marlborough: she suffered seven hundred pounds to be charged weekly on the same office, for the service of the public: she expended several hundred thousand pounds in building the castle of Blenheim: she allowed four thousand pounds annually to prince Charles of Denmark: she sustained great loses by the tin contract: she supported the poor Palatines: she exhibited many other proofs of royal bounty: and immediately before her death she had formed a plan of retrenchment, which would have reduced her yearly expenses to four hundred and fifty-nine thousand nine hundred and forty-one pounds.

However, that they hated long speeches, the following apophthegms are a farther proof.

Using the apostrophe correctly is a mere negative proof: it tells the world you are not a thicko.

Soon I had certain proof that my friend was a major closet food phobic when she spent five minutes painstakingly separating her appetizer into two piles.

Donna Ignazia gave me a hasty proof of her affection, and I escorted her home, assuring her that she would be the sole object of my thoughts as long as I stayed at Madrid.

There was no doubt at all that for Hosteen Barbone and Gracie Cayodito and, much worse, Frank Sam Nakai, his own Little Father, mere absence of proof was not good enough.

The clients of Battue must sign waivers before their reservations are confirmed and provide proof of their skill with weapons.

Prestcott was all the proof I could ever need to persuade me to put aside skepticism forever, for no human form would be capable of the violent bestiality I saw in that room.

Vivacious, noisy, loving the nectar of flowers and the juices of fruits, Baal Burra was phenomenal in many winsome ways, but in a spirit of rare self denial I refrain from the pleasure of chronicling some of them in order to give place to instance and proof of the reasoning powers of an astonishingly high order.

The calm that was his before this vexation came back to him, and when the last proofs of his concours, confirming the success of the first, had given him the two titles that he so ardently desired and pursued at the price of so many pains, so many efforts and privations, he could enjoy his triumph in all security.

Sitting up in the simple costume of nature, we ate the remains of our supper, exchanging those thousand trifling words which love alone can understand, and we again retired to our bed, where we spent a most delightful night giving each other mutual and oft-repeated proofs of our passionate ardour.