Equal consideration of interests

Principle in utilitarian ethics

The principle of equal consideration of interests is a moral principle that states that one should both include all affected interests when calculating the rightness of an action and weigh those interests equally. The term "equal consideration of interests" first appeared in Australian moral philosopher Peter Singer's 1975 book Animal Liberation. Singer asserts that if all beings, not just humans, are included as having interests that must be considered, then the principle of equal consideration of interests opposes not only racism and sexism, but also speciesism. Jeremy Bentham argued that a being's capacity to suffer is what is morally relevant when considering their interests, not their capacity for reason.

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