Thanks. (01)
The one you propose has some nasty comments on amazon, perhaps from
less-than-average students. (02)
vQ (03)
Chris Menzel wrote:
> On Wed, Jun 20, 2007 at 08:12:52PM +0200, Waclaw Kusnierczyk wrote:
>> has any one of you an opinion on 'introduction to logic' by copi and
>> cohen?
>
> It's OK as a basic, reasonably comprehensive intro logic text for
> average students. That said, IIRC, the natural deduction system they
> use is an inelegant hash of primitive rules, derivable rules, and
> substitution patterns. (Admittedly, Copi and Cohen cover more than just
> deductive logic.) In my view, the best general intro to deductive logic
> for both average students and good/excellent students is Bergman, Moor,
> and Nelson's _The Logic Book_. This text first builds natural deduction
> systems The Right Way :-) using primitive introduction and elimination
> rules only, and only thereafter extends the systems by introducing
> derived rules, showing in each case *that* the new rule is derivable
> from the primitive rules. (04)
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