True in fact and theory.    From Wordnet, Princeton University. 

They killed him on the theory that dead men tell no tales.    From Wordnet, Princeton University. 

The architect has a theory that more is less.    From Wordnet, Princeton University. 

He proposed a fresh theory of alkalis that later was accepted in chemical practices.    From Wordnet, Princeton University. 

A scientific hypothesis that survives experimental testing becomes a scientific theory.    From Wordnet, Princeton University. 

It is also a theory and when people understand how sciences use the term theory, which is more important than facts.    From Wordnik.com.  [Crimson White RSS] Reference

This in theory is what central banks do with interest rates.    From Wordnik.com.  [Matthew Yglesias » The Sources of Regulatory Failure] Reference

"Diversity in theory is the enemy of diversity in practice.".    From Wordnik.com.  [The Price of Progress] Reference

The first duty of doctors, at least in theory, is to their patients.    From Wordnik.com.  [The Drug Pushers] Reference

NW uses the term theory in a pejorative sense, like it's just an idea.    From Wordnik.com.  [Planet Atheism] Reference

"It's not bankruptcy, which in theory is a bondholder's nightmare," he said.    From Wordnik.com.  [Harrisburg Asks State for Relief] Reference

Science, at least in theory, is supposed to test propositions and to verify them.    From Wordnik.com.  [August « 2007 « L.E. Modesitt, Jr. – The Official Website] Reference

They have but one thing that they can do for man, which, in theory, is to catch mice.    From Wordnik.com.  [Can Your Cat Do This?] Reference

NCLB, in theory, is a good idea - after all, who can argue with improving test scores?.    From Wordnik.com.  [February 2004] Reference

Which, in theory, is exactly where philosophy of physics should have a part to play.    From Wordnik.com.  [Mathematical logic and multiverses] Reference

Advocating suicide in theory is perfectly protected, but urging someone to actually do it is not.    From Wordnik.com.  [The Volokh Conspiracy » Indictment for Chat Room Posts Urging Particular People to Commit Suicide] Reference

The term theory is occasionally stretched to refer to theoretical speculation that is currently unverifiable.    From Wordnik.com.  [Here it comes...EuroScopes! - The Panda's Thumb] Reference

The only injury, in theory, is to the kid, if one believes that one invisible man in the sky is better than another.    From Wordnik.com.  [The Volokh Conspiracy » Judge Vacates TRO Barring Divorced Father From Exposing Child to Religion Other Than the Mother’s] Reference

I'm not for excluding people - legally - from the body politic which in theory is not religious, from the civil ceremony known as -- yes!.    From Wordnik.com.  [msagara: CA Supreme Court decision] Reference

The falsification of a theory is a victory for science.    From Wordnik.com.  [Contemporary Mythologies] Reference

This theory is the view of the “common sense” scientist.    From Wordnik.com.  [Science] Reference

The flaw in this theory is the secondary market for used iPhones.    From Wordnik.com.  [How eBay Could Disconnect AT] Reference

This theory is about knowledge of something, a distinct fact or skill.    From Wordnik.com.  [Knowledge] Reference

And that intelligent design, while a "theory", is not a scientific theory?.    From Wordnik.com.  [Real reality...] Reference

Every genuine test of a theory is an attempt to falsify it, or to refute it.    From Wordnik.com.  [Attached to Strings] Reference

In scientific usage, a theory is the highest form of scientific understanding.    From Wordnik.com.  [Think Progress » ThinkFast AM: June 20, 2006] Reference

It has been mentioned from time to time but the theory is absolutely ridiculous.    From Wordnik.com.  [USATODAY.com - American League East] Reference

Nonetheless, under the NAS's defintion, a "theory" is in the eye of the beholder.    From Wordnik.com.  [Blogginheads Controversy] Reference

"Inspector Danvers will be delighted – for this theory is a near approach to his own.".    From Wordnik.com.  [Lady Molly of Scotland Yard] Reference

Yes, in theory, that is what is supposed to happen through the traditional court processes.    From Wordnik.com.  [Yes, It's Crackdown Time !] Reference

The only problem with this theory is the dual identity of Matthew Abbadon and Phillip Broyles.    From Wordnik.com.  ['Twas the Night Before Fringemas] Reference

But the theory is among nations, not multinational corporations that have no national allegiance.    From Wordnik.com.  [The Free Trade Case, Arnold Kling | EconLog | Library of Economics and Liberty] Reference

(Based on my own experiences with inanimate objects, I tend to think this theory is the most likely.).    From Wordnik.com.  [Archive 2006-01-08] Reference

GERRY LEONE, FORMER MIDDLESEX COUNTY PROSECUTOR: It ` s what I call a theory of half-truths, half-lies.    From Wordnik.com.  [CNN Transcript Feb 10, 2006] Reference

However, the scientific definition of a theory is a little bnit different than the colloquial definition.    From Wordnik.com.  [Think Progress » Wallace Responds To Cokie Roberts’ Criticism By Joking About Her Watching Kristol Crawl Around In A Dog Collar] Reference

Matt: So would you say it breaks down between gag cartoons and these what you refer to as theory of mind, or character based cartoons?.    From Wordnik.com.  [Matthew Diffee: Bob Mankoff Interview: Part Two] Reference

The researchers themselves, at the end of Ms Huang's article, cleary say that the evidence to support this "theory" is far from conclusive.    From Wordnik.com.  [Survival of the Weakest?] Reference

This empirical claim became known as the theory of individual selection.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference