Definitions
from The American Heritage® Dictionary of the English Language, 4th Edition
 The symbol for the isotope tritium.
 abbr. temperature
 abbr. tenor
 abbr. tesla
 abbr. Thursday
 abbr. thymine
 abbr. time reversal
 abbr. township
 abbr. Tuesday
from Wiktionary, Creative Commons Attribution/ShareAlike License
 n. The twentieth letter of the basic modern Latin alphabet.
 n. Symbol for tesla, the SI unit of magnetic flux density.
 n. Symbol for the prefix tera
 n. IUPAC 1letter abbreviation for thymine
 n. IUPAC 1letter abbreviation for threonine
 n. matrix transpose
 n. The twentieth letter of the English alphabet, called tee and written in the Latin script.
 n. The ordinal number twentieth, derived from this letter of the English alphabet, called tee and written in the Latin script.
 abbr. teen
 abbr. taxable
 abbr. Tuesday
 abbr. AT&T
 abbr. trailer car.
 abbr. Popular term for the Massachusetts Bay Transportation Authority, or MBTA; specifically, referring to the subway or train. E.g.: "I'm going to take the T"
 abbr. The sports statistic for ties in a given period under a given criteria
 abbr. technical foul
 abbr. American Library Association Abbreviation of twentieth, a book size range (12.515 cm in height).
 abbr. transgender (TG) or transsexual (TS) (used in contrast to cisgender M or F)
Etymologies
Sorry, no etymologies found.
Examples

From the BTheorist perspective, perhaps when we talk about redemption, we really mean that the temporal part of a person at some time T is morally better than the temporal part of a person at some earlier time T*.

In fact if we carry out this construction not just for a single structure A but for a family of models of a theory T, always using the same defining formulas, then the resulting structures will all be models of a theory T² that can be read off from T and the defining formulas.

Rather he suggests a lot of special reduction relations which can be combined appropriately to connect two theories T and T².

Then a state is operationally separated with respect to T if T's application does not change the result of applying the state to any element of the other subalgebra: it is operationally separable with respect to T if it is operationally separated, either with respect to T, or with respect to some other operation T* that coincides with the action of T on the other subalgebra.

Thus, Schaffner (1976, p. 618) holds that T reduces T² if and only if there is a corrected version of T², call it T²* such that

T, and the terms of T² are understood to have approximately the same meanings that they have in T, then Nagel calls the reduction of T² by T

There is nothing wrong with the VS observation about the fact that the variance of an estimate T* in an inverse regression is less than the variance of the target T, i.e.

T produces a second theory, T*, which has the same theoretical virtues as T but a smaller set of ontological commitments.

Occam's Razor may be formulated as an epistemic principle: if theory T is simpler than theory T*, then it is rational (other things being equal) to believe T rather than T*.

Let T be the total science of the time, and let T* be a theory empirically equivalent to T with respect, not to their observational consequences, but with respect to their consequence regarding the phenomena in D.
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Jubjub commented on the word T
Boy
January 2, 2010