Three schools, formalism, intuitionism, and logicism, emerged at this time, partly in response to the increasingly widespread worry that mathematics as it stood, and analysis in particular, did not live up to the standards of certainty and rigor that had been taken for granted.
Tatiga aliran, inggih punika formalisme, intuisionisme, miwah logika sané metu mangkin, asibaknyané pinaka penampen majeng kasengsayan sané ngangsan ngelinggahang yéning matematika sapunapi sewéntené, miwah analisisnyané dasos khusus, nenten manut standar sané majanten miwah katilik sané sampun kaambil anggén kasukserahang.