Lo and behold, they confounded the Pariser theory and came up with identical results to mine.

BBC: Are we trapped in our own web bubbles?

In theory, expenditure and income measures should be identical: one person's spending is another person's income.

ECONOMIST: As growth slumps, inflation jumps

For the legal theory of collateral estoppel to work, the factual issues in the player cases must be identical.

FORBES: CTE Research, NFL's Financial Headache, and Tobacco Industry

That theory received a big boost when tests on the British virus showed it to be virtually identical to the strain that had caused the Hungarian outbreak.

ECONOMIST: Avian flu

By contrast, a truly non-dualistic theory of mind has to state what is clearly obvious: your mind and your brain are identical.

FORBES: Why Your Brain Isn't A Computer