1. adjective /aɪˈdɪəl,aɪˈdiː.əl/
The idea of ghosts is ridiculous in the extreme; and if you continue to be swayed by ideal terrors —
b) Perfect, flawless, having no defects.
Life and death appeared to me ideal bounds, which I should first break through, and pour a torrent of light into our dark world.
2. noun /aɪˈdɪəl,aɪˈdiː.əl/
Ideals are like stars; you will not succeed in touching them with your hands. But like the seafaring man on the desert of waters, you choose them as your guides, and following them you will reach your destiny -
Let be the ring of integers and let be its ideal of even integers. Then the quotient ring is a Boolean ring.
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