What does the expression "the then" mean???
A few days ago I saw a very strange expression. This is a part of the sentence: "He explores the effects of the then fashionable philosophy". What's "the then"??????? Thanks in advance!! ☺️

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Answer

It's strange, but not unusual. This use of 'then' as an adjective is quite common, especially in formal and semi-formal writing.

The phrase 'the then fashionable philosophy' is a neater way of saying 'the philosophy that was fashionable at that time.'

Answer

"the then fashionable" is an adjective..It's phrasal adjective.

The philosophy, which was then fashionable