trivial topology
(phonetics) A speech sound in which the air stream is created by pushing air out through the mouth or nose.
A surname from Czech.
Having a fear of medical procedures (such as injection) using needles.
(topology) A topology consisting only of the empty set and the underlying set.
集合X上の空集合と全体集合のみからなる位相は、最も粗い位相です。
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DiQt
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