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Re: Re: Testing Mathematica Expressions?

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  • Subject: [mg106721] Re: [mg106698] Re: Testing Mathematica Expressions?
  • From: Andrzej Kozlowski <akozlowski at>
  • Date: Fri, 22 Jan 2010 05:35:21 -0500 (EST)
  • References: <hiuusd$92o$> <hj131r$be8$> <> <hj6qfb$8r0$> <>

On 21 Jan 2010, at 10:54, AES wrote:

> In article <hj6qfb$8r0$1 at>,
> Andrzej Kozlowski <akozlowski at> wrote:
>>> I'd be glad to spend some time perusing and attempting to understand an
>>> example (the simple the better, of course) for which
>>>    ToExpression["soks"] /. ruleOne 
>>> and
>>>    soks /. ruleOne
>>> typed into separate Input cells under identical starting conditions,
>>> where 'soks' is a sequence of key strokes, yield differing results when
>>> evaluated.
>> Unevaluated[x] /. x -> 3
>> Andrzej Kozlowski
> You got me there.
> But how about some simple expression that does not contain any
> Mathematica-unique syntax or commands -- just a sequence of input
> keystrokes that would be interpreted as a meaningful algebraic or
> mathematical expression by someone who was reasonably knowledgeable in
> math and algebra, but had never encountered Mathematica?

But why should such a thing exist? And what is the significance of its non-existence?

Andrzej Kozlowski

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