Quotes About Deduction

A presumption of any fact is, properly, an inferring of that fact from other facts that are known; it is an act of reasoning; and much of human knowledge on all subjects is derived from this source.

So another thing I learn is that Sherlock Holmes always finds the right clue, and I don't.

Attention to detail - Sherlock certainly has that, and my memory is pretty good - but not as good as his.

Big data knows and can deduce more about you than Big Brother ever could.

New Jerseyans knew that the SALT deduction cap would hurt.

Anytime you fight a champion, you got to watch the tape closely and study him closely.

If you think about it, the historian's task is like that of the detective.

There are some tax expenditures that are there for very obvious and very important and very good policy reasons. Whether it's the charitable deduction or the deduction for homes, it's not a loophole.

The precise point at which a tax deduction becomes a 'loophole' or a tax incentive becomes a 'subsidy for special interests' is one of the great mysteries of politics.

I can understand where the oil company wants to deduct the cost of drilling a well. That's one of the tax breaks for oil companies - the subsidies - they get to deduct the cost of the well the year you drill.

Thus empiricism directed attention away from abstract principles to the data of experience. Hence, while the philosophers of the pre-Enlightenment period favoured the geometric method, reasoning deductively from first principles, their successors worked by induction, first observing particular details and arriving eventually at general truths.

Conan Doyle deluded a century of readers into thinking we're all deductive geniuses.

So we navigate mostly by dead reckoning, and deduction from what clues we find. I keep a compass in one pocket for overcast days when the sun doesn't show directions and have the map mounted in a special carrier on top of the gas tank where I can keep track of miles from the last junction and know what to look for. With those tools and a lack of pressure to 'get somewhere' it works out fine and we just about have America all to ourselves.

One must be extremely careful and rigidly logical when dealing with Nature: one logical slip and an entire scientific edifice comes tumbling down. One false deduction about the machine and you can get hung up indefinitely.

One of the reasons the rich get richer is that they buy more investments by taking advantage of the tax laws. In essence, the money that would have been paid in taxes is used to buy additional assets, which provide another deduction against income, which reduces the taxes due, legally.

Even though people receive a tax deduction for interest on mortgage payments, they pay for all their other expenses with after-tax dollars, even after they pay off their mortgage.

mortgage interest is a tax deduction.

Don't stride so, Russell!" Holmes whispered fiercely. "Throw your boots out in front of you as you walk and let your elbows stick out a bit. It would help if you let your mouth hang open stupidly, and for God's sake take off your glasses, at least until we get out of town. I won't allow you to walk into anything. Do you think you could persuade your nose to drip a bit, just for the effect?

ratiocination.

I suppose events are simply a sort of annotation of our feelings--the one might be deduced from the other. Time carries us (boldly imagining that we are discrete ego's modeling our own personal futures)--time carries us forward by the momentum of those feelings inside us of which we ourselves are least conscious.

Induction for deduction, with a view to construction.

The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.

The grand thing is to be able to reason backwards.

When the difficulty of a problem lies only in finding out what follows from certain fixed premises, mathematical methods furnish invaluable wings for flying over intermediate obstructions.