Exact(5)
An influential argument against speciesism, advanced by Singer, rests on what he calls the principle of equal consideration of interests (PEC).
Yet the principle of equal consideration of interests demands that, given the choice between performing a painful medical experiment on a severely retarded orphan and on a normal ape, we must sacrifice the child.
There is in fact a huge leap in the argument when Singer moves from the need to end animal suffering to his principle of "equal consideration for all sentient beings".
For Singer, every human being has the capacity for suffering and enjoyment or happiness, and is thus deserving of equal consideration [ 27].
Rather, it is aimed at achieving the goal of eradicating this injustice by using mechanisms which are based on the principle of equal consideration for all people regardless of their gender, thus measuring all inequalities independently of the gender affected (female or male).
Similar(3)
The problem he poses is: are there methods of democratic decision-making that are based on equal consideration of individual interests and are conducive to rational social choice?
Contemporary cosmopolitans typically hold that every human being has standing as an ultimate unit of moral concern and is entitled to equal consideration of her interests no matter what other affiliations, especially national affiliations, she might have.
The right of an applicant "to equal consideration" (Thomson 1973, 377; Simon 1974, 312),the right of the maximally competent to an open position (Goldman 1976, 191; Goldman 1979, 24 8), or the right of everyone to equal opportunity (Gross 1977a, 382; Gross 1978, 97).
Related(1)
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com