Here also begins his long controversy with Rivinus (Augustus Quirinus Bachmann) which chiefly turned upon Ray's indefensible separation of ligneous from herbaceous plants, and also upon what he conceived to be the misleading reliance that Rivinus placed on the characters of the corolla.
When the controversy broke out, Arius was an old man.
The recognition of Christ as the incarnation of the Logos was practically universal before the close of the 3rd century, but his deity was still widely denied, and the Arian controversy which distracted the Church of the 4th century concerned the latter question.
The controversy between nominalists and realists arose from a passage in Boethius' translation of Porphyry's Introduction to the Categories of Aristotle, which propounded the problem of genera and species, (1) as to whether they subsist in themselves or only in the mind; (2) whether, if subsistent, they are corporeal or incorporeal; and (3) whether separated from sensible things or placed in them.
In the monothelite controversy then raging he acted with cautious reserve, refraining at least from express condemnation of the Typus of Constans II.
Upon this apparently trifling question arose a controversy which lasted many years, occupied several universities, and led to the interposition of personages no less important than the pope and the emperor, but which is thought to have largely contributed to the final downfall of the Arabian medicine.
The controversy was carried by the rival parties into the pulpit, and occasioned such keen feeling that the king interposed to stop it.
But in 1679 a controversy between Hooke and Newton, about the form of the path of a body falling from a height, taking the motion of the earth round its axis into consideration, led Newton again to revery() his former conjectures on the moon.
Even on the cardinal point on which Aristotle entered into direct controversy with Plato, the definite disagreement between the two is less than at first appears; the objections of the disciple hit that part of the master's system that was rather imagined than thought; the main positive result of Platonic speculation only gains in distinctness by the application of Aristotelian analysis.
Here in 1550 he published two disputations, the one De lege et evangelio and the other De justifications, which aroused a controversy still unclosed at his death on the 17th of October 1552.