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But
speculations
on
the
structure
of
the
universe
also
move
in
quite
another
direction.
The
development
of
non-Euclidean
geometry
led
to
the
recognition
of
the
fact,
that
we
can
cast
doubt
on
the
infiniteness
of
our
space
without
coming
into
conflict
with
the
laws
of
thought
or
with
experience.
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