The phrase "and the theory that" is correct and usable in written English.
It can be used when introducing a specific theory or hypothesis in a discussion or argument.
Example: "The researchers presented their findings, and the theory that climate change is accelerated by human activity was a central focus of their study."
Alternatives: "as well as the hypothesis that" or "along with the idea that".
And the theory that tax cuts can be used to force the government to shrink never seems to quite work out in the real world.
The theory behind the GOP's mandate-repeal push, and the theory that killed cost-sharing subsidies, was that voters would blame Democrats, not the governing party, when their premiums spike — a theory not shared by Democrats.
These standards, and the theory that supports them, are the result of our analysis of over 10,000 customer need statements collected for products and services covering nearly every industry.
This Review will describe the design rules for achieving high-quality optical responses from metal nanoparticle arrays, nanofabrication advances that have enabled their production, and the theory that inspired their experimental realization.
Related | In the Times Magazine Riff "Wouldn't It Be Cool If Shakespeare Wasn't Shakespeare Stephen Marchehe disputes the premise of the movie "Anonymous" and the theory that gave rise to it: The good news is that "Anonymous" makes an extraordinarily poor case for the Oxfordian theory.
She proposed a conceptual model of "Strong wind -upwelling- phytoplankton blooms in Western South China Sea", and the theory that "typhoons cause vertical mixing, induce phytoplankton blooms and increase primary production".
This paper covers the practical design of QKCs and derives the theory that predicts QKC stiffness.
(This is called "securities fail" and is the theory that allows put backs that crush the bank/originators).
And what was the theory that emerged from these purposeful wanderings?
Writer counters this claim and also discounts the theory that agriculturally grown fuel would compete with food production.
He wrote: "I mentioned the uproar surrounding Lumumba's abduction and murder, and recalled the theory that MI6 might have had something to do with it.
