idealisations in a sentence

1. o'neill argues that a successful kantian account of social justice must not rely on any unwarranted idealisations or assumption.

2. o'neill argues that a successful kantian account of social justice must not rely on any unwarranted idealisations or assumption.

3. First come the mathematical concepts: number, magnitude, continuum, geometrical figure, etc. We would say that they are methodically necessary idealisations of what is given intuitively.