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coq-tutorial's Introduction

O, GitHub, your README.md template irks me.

I imagine that in the future, more information will adorn this file.

In the meantime, I will state that I value correctness, elegance, and good documentation, that I generally use Haskell, and that if you use permissive licenses, then you can request my help. I might surprise you.

Also, I am at least somewhat active with this account. The contribution graph is just not terribly accurate; I use a nonsense e-mail address for some of my commits.

Anyone who has questions about my work is free to create an issue or send a message via XMPP to [email protected]. Also, as indicated by some of my more recent commits, I can also be reached via e-mail at [email protected].

coq-tutorial's People

Contributors

onestruggler avatar

coq-tutorial's Issues

A single indentation style would be great.

coq-tutorial/coq-tutorial.v

Lines 553 to 574 in ecc7501

Lemma permut_refl : forall l, permut l l.
Proof.
intro l.
unfold permut.
intro x.
exact (refl (count_occ l x)).
Qed.
Lemma permut_swap :
forall x y l l',
permut l l'
-> permut (x ; y ; l) (y ; x ; l').
Proof.
intros x y l l' H z. simpl.
case (equalNB x z).
- case (equalNB y z).
+ rewrite (H z). exact (refl (succ (succ (count_occ l' z)))).
+ rewrite (H z). exact (refl (succ (count_occ l' z))).
- case (equalNB y z).
+ rewrite (H z). exact (refl (succ (count_occ l' z))).
+ exact (H z).
Qed.

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