However, it is possible to implement the 'polluter pays' principle through a so-called carbon price.
Ali, an illiterate, selfish, narcissistic promoter, eventually does become a man of principle through a journey of tests.
She spoke of the virtue of "finishing the job," a guiding principle through her career, whether in the context of staying in this presidential race, sticking with her marriage or outlasting her political adversaries.
He complained that most people failed to comprehend the logos (Greek: "reason"), the universal principle through which all things are interrelated and all natural events occur, and thus lived like dreamers with a false view of the world.
The theorem, which transformed the Maxwell-Boltzmann ergodic hypothesis of the kinetic theory of gases into a rigorous principle through the use of Lebesgue measure theory (see analysis: Measure theory), has important applications to modern analysis.
Mr Corbyn had hoped to push this principle through last month's Labour conference, but the issue was not debated and replacing the four ageing submarines that carry Trident missiles remains party policy.
Focusing as they did on scientific discourse, the logical positivists went so far as to claim that an utterance is meaningful only if it is a tautology or such that it can be confirmed or disconfirmed (in principle) through experience; all other utterances are literally nonsense (see verifiability principle).
Although reform proposals called for an extension of the unitary principle through the five-year upper secondary level, this level was highly diversified, with classical and scientific licei (schools) and a vast array of programs in vocational and industrial technical institutes.
In this work, following Wittgenstein and the members of the Vienna Circle, Ayer defended a verificationist theory of meaning (also called the verifiability principle), according to which an utterance is meaningful only if it expresses a proposition the truth or falsehood of which can be verified (at least in principle) through experience.
Political economy, which arose at the same time, supplied the principle through which those limits were to be demarcated.
The need for a less restrictive criterion of evaluation has led Kaldor (1939) and Hicks (1939) to propose an extension of the Pareto principle through compensation tests.
