*To*: "Robert Lamar" <rlamar at stetson.edu>*Subject*: Re: [isabelle] Conjunctions commutative in function arguments?*From*: Lawrence Paulson <lp15 at cam.ac.uk>*Date*: Thu, 2 Mar 2006 11:56:19 +0000*Cc*: cl-isabelle-users at lists.cam.ac.uk*In-reply-to*: <16530916C2FEF64EBE4C333390E3BEFC04FB5DF8@beta.ad.stetson.edu>*References*: <16530916C2FEF64EBE4C333390E3BEFC04FB5DF8@beta.ad.stetson.edu>

Larry Paulson On 2 Mar 2006, at 11:03, Robert Lamar wrote:

Would you expect something like this to work? lemma conj_commute: "P & Q ==> Q & P" by auto lemma "f ( P & Q ) ==> f ( Q & P )" proof - assume "f( P & Q )" from this conj_commute [of P Q] have "f( Q & P )" by simp qed

**References**:**Re: [isabelle] Conjunctions commutative in function arguments?***From:*Robert Lamar

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