Re: [isabelle] Isabelle style guide

Very nice styleguide! It very much matches what I am trying to do in my
proofs, too. Except for the apply-indentation scheme, where I use
somewhat different:
	If a method produces n new subgoals, the next apply-steps will be
indented one level, and grouped into n blocks by blank lines, where each
block solves one of the subgoals:

  apply (intro conjI)    // produces 3 subgoals
    apply auto []        // Solves first one

    apply (cases l)      // Solve 2nd one
      apply clarsimp       // Solve Nil-case
      apply force

      apply auto []        // Solve Cons-case

    apply force          // Solve 3rd subgoal


On Sa, 2015-05-23 at 10:14 +0000, Gerwin Klein wrote:
> Updating lots of proofs to Isabelle2015-RCx and discussions about submission rules for the AFP inspired me to write up guidelines that may be of more widespread use and interest:
> Thereâs more to come. Feedback welcome.
> Enjoy!
> Gerwin
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