Question about Reduce
- To: mathgroup at smc.vnet.net
- Subject: [mg63897] Question about Reduce
- From: Mark Fisher <mark at markfisher.net>
- Date: Sat, 21 Jan 2006 01:50:43 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
The following behavior of Reduce puzzles me. conds = (5*Abs[67/30 - Sqrt[4489/900 - (18*(1 + x/3))/5]])/9 > 1 && (5*Abs[67/30 + Sqrt[4489/900 - (18*(1 + x/3))/5]])/9 > 1; conds /. x -> 2 returns True but Reduce[conds && x â?? Reals, {x}, Complexes] /. x -> 2 returns False. Is that a bug or do I just not understand what Reduce should do? --Mark
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