とい

とい

"とい" means "question" or "query."

In this sentence, 'とい' is part of 'と言います' which means 'it is said'. It indicates reported speech or hearsay.

彼は偉大な科学者だといいます。

It is said that he is a great scientist.

Here, 'とい' is part of 'と言える', which means 'could be said'. It is used to express opinions or perspectives.

問題は簡単だといえるでしょう。

You could say that the problem is simple.

In this usage, 'といっても' means 'even if one says', often used in an emphatic or concessive context.

彼の理論が正しいかどうかは議論があるといっても過言ではない。

It would not be an exaggeration to say that there is debate about whether his theory is correct.