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Re: Relational operators on intervals: bug?

• To: mathgroup at smc.vnet.net
• Subject: [mg128646] Re: Relational operators on intervals: bug?
• From: Richard Fateman <fateman at eecs.berkeley.edu>
• Date: Tue, 13 Nov 2012 00:04:18 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• Delivered-to: l-mathgroup@wolfram.com
• Delivered-to: mathgroup-newout@smc.vnet.net
• Delivered-to: mathgroup-newsend@smc.vnet.net
• References: <k7p3j3$ca3$1@smc.vnet.net> <20121112080708.39931690E@smc.vnet.net> <CAEtRDSdjHie=F1YkpHPh9GMAYnAvwk-evEgC4QU4fs9EpPOYbQ@mail.gmail.com>

see
http://demonstrations.wolfram.com/IntervalNotation/
which says

"There is no interval notation for the empty set"

The internets never lie :)

• References:
  • Re: Relational operators on intervals: bug?
    • From: Richard Fateman <fateman@cs.berkeley.edu>