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Require Import Coq.NArith.NArith.
Theorem add_1_r : forall p, (p + 1)%positive = Pos.succ p.
Proof.
induction p; simpl; eauto.
Qed.
Theorem add_carry_spec : forall p q, Pos.add_carry p q = Pos.succ (p + q).
Proof.
induction p; induction q; simpl; eauto.
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fbanados / GIF-Screencast-OSX.md
Created September 1, 2022 20:49 — forked from dergachev/GIF-Screencast-OSX.md
OS X Screencast to animated GIF

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Screencapture GIF

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application: