Merge branch 'main' of https://github.com/utensil/forest

.gitignore

@@ -22,4 +22,5 @@ latex/trees
 public
 server
 *.lock
-jms/
+jms/
+.vscode/

README.md

@@ -1,11 +1,10 @@
 This forest is initialized with the following command:
 
 ```bash
-brew install opam fswatch
-
-opam init
-opam update
-opam install forester
+brew install opam bubblewrap fswatch
+opam init --auto-setup --yes
+opam update --yes
+opam install forester --yes
 forester --version
 
 cd ~/projects/
@@ -43,6 +42,14 @@ Then open `http://localhost:1314` in your browser.
 
 If something goes wrong, check out https://github.com/jonsterling/forest .
 
+Locally I will
+
+```bash
+git clone https://git.sr.ht/~jonsterling/public-trees jms
+```
+
+so I can check Jon Sterling's use of Forester conveniently.
+
 In order to use `dvisvgm` required by forester to compile LaTeX to SVG, I have to:
 
 ```bash

build.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 rm -rf output
-opam exec -- forester build --dev
+opam exec -- forester build # --dev

trees/base-macros.tree

@@ -0,0 +1,49 @@
+\title{basic macros}
+
+\p{Here we define:}
+
+\import{latex-preamble}
+
+\alloc\base/tex-preamble
+
+\p{\code{minitex}: A macro for typesetting LaTeX code in a minipage, with the width of an A5 paper,
+so the text size almost matches the size output by native forester code. This doesn't work very well on mobile yet.}
+
+\def\minitex[body]{
+ \scope{
+  \put?\base/tex-preamble{
+   \latex-preamble/common
+  }
+  \tex{\get\base/tex-preamble}{
+
+    \begin{minipage}{5.8in}
+
+    \vspace{0.5ex}
+
+    % \setlength{\parindent}{10pt}
+    \setlength{\parskip}{3ex plus 0.5ex minus 0.2ex}
+
+    \body
+
+    \end{minipage}
+  }
+ }
+}
+
+\p{\code{texdef}: A macro for making a \code{minitex} definition with a reference.}
+
+\p{Usage:}
+
+\p{
+\startverb
+\texdef{name}{reference}{
+    definition body in LaTeX
+}
+\stopverb
+}
+
+\def\texdef[name][reference][body]{
+  \title{\name ([[\reference]])}
+  \taxon{definition}
+  \minitex{\body}
+}

trees/latex-preamble.tree

@@ -0,0 +1,14 @@
+\title{LaTeX preambles}
+
+\p{Here we define:}
+
+\p{\code{latex-preamble/common}: Some common LaTeX preambles.}
+
+\def\latex-preamble/common{
+ \startverb
+% because LaTeX is running in `build` directory
+\input{../trees/preamble}
+ \stopverb
+}
+
+\p{They are used by [[base-macros]].}

trees/people/utensil.tree

@@ -1,4 +1,4 @@
-\title{Utensil}
+\title{Utensil Song}
 \taxon{person}
 \meta{external}{https://github.com/utensil}
 \meta{orcid}{0000-0003-3994-4466}

trees/preamble.tex

@@ -0,0 +1,133 @@
+\usepackage{amsmath,amsfonts,amsthm,amssymb}
+\usepackage{tikz, tikz-cd, mathtools, stmaryrd}
+\usepackage[a5paper,margin=1in]{geometry}
+\usepackage{thmtools}
+\usepackage[framemethod=TikZ]{mdframed}
+
+\theoremstyle{definition}
+\theoremstyle{definition}
+\mdfdefinestyle{mdbluebox}{%
+	roundcorner = 10pt,
+	linewidth=1pt,
+	skipabove=12pt,
+	innerbottommargin=9pt,
+	skipbelow=2pt,
+	nobreak=true,
+	linecolor=blue,
+	backgroundcolor=TealBlue!5,
+}
+\declaretheoremstyle[
+	headfont=\sffamily\bfseries\color{MidnightBlue},
+	mdframed={style=mdbluebox},
+	headpunct={\\[3pt]},
+	postheadspace={0pt}
+]{thmbluebox}
+
+\mdfdefinestyle{mdredbox}{%
+	linewidth=0.5pt,
+	skipabove=12pt,
+	frametitleaboveskip=5pt,
+	frametitlebelowskip=0pt,
+	skipbelow=2pt,
+	frametitlefont=\bfseries,
+	innertopmargin=4pt,
+	innerbottommargin=8pt,
+	nobreak=true,
+	linecolor=RawSienna,
+	backgroundcolor=Salmon!5,
+}
+\declaretheoremstyle[
+	headfont=\bfseries\color{RawSienna},
+	mdframed={style=mdredbox},
+	headpunct={\\[3pt]},
+	postheadspace={0pt},
+]{thmredbox}
+
+\mdfdefinestyle{mdgreenbox}{%
+	skipabove=8pt,
+	linewidth=2pt,
+	rightline=false,
+	leftline=true,
+	topline=false,
+	bottomline=false,
+	nobreak=true,
+	linecolor=ForestGreen,
+	backgroundcolor=ForestGreen!5,
+	% innerleftmargin=20pt,
+	innerrightmargin=15pt
+}
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{ForestGreen!70!black},
+	bodyfont=\normalfont,
+	spaceabove=2pt,
+	spacebelow=1pt,
+	mdframed={style=mdgreenbox},
+	headpunct={ --- },
+]{thmgreenbox}
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{ForestGreen!70!black},
+	bodyfont=\normalfont,
+	spaceabove=2pt,
+	spacebelow=1pt,
+	mdframed={style=mdgreenbox},
+	headpunct={},
+]{thmgreenbox*}
+
+\mdfdefinestyle{mdblackbox}{%
+	skipabove=8pt,
+	linewidth=3pt,
+	rightline=false,
+	leftline=true,
+	topline=false,
+	bottomline=false,
+	linecolor=black,
+	backgroundcolor=RedViolet!5!gray!5,
+}
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily,
+	bodyfont=\normalfont\small,
+	spaceabove=0pt,
+	spacebelow=0pt,
+	mdframed={style=mdblackbox}
+]{thmblackbox}
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily,
+	bodyfont=\normalfont, %\small, %\sffamily,
+	spaceabove=0pt,
+	spacebelow=0pt
+]{def}
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily,
+	bodyfont=\normalfont, %\small, %\sffamily,
+	spaceabove=0pt,
+	spacebelow=0pt,
+    numbered=no
+]{def*}
+
+\theoremstyle{definition}
+% \declaretheorem[style=thmblackbox,name=Definition,numberwithin=subsection]{definition}
+\declaretheorem[style=thmbluebox,name=Theorem,numberwithin=subsection]{theorem}
+\declaretheorem[style=thmbluebox,name=Theorem,numberwithin=subsection]{theoremx} % theorem not in dep graph
+\declaretheorem[style=thmbluebox,name=Lemma,sibling=theorem]{lemma}
+\declaretheorem[style=thmbluebox,name=Lemma,sibling=theorem]{lemmax} % lemma not in dep graph
+\declaretheorem[style=thmbluebox,name=Corollary,sibling=theorem]{corollary}
+\declaretheorem[style=thmbluebox,name=Proposition,sibling=theorem]{proposition}
+
+\theoremstyle{definition}
+% \newtheorem{claim}[theorem]{Claim}
+% \newtheorem{definition}[theorem]{Definition}
+\declaretheorem[style=def,name=Definition,sibling=theorem]{definition}
+\declaretheorem[style=def*,name=Definition]{definition*}
+% \newtheorem{fact}[theorem]{Fact}
+% \newtheorem{abuse}[theorem]{Abuse of Notation}
+
+\declaretheorem[style=thmredbox,name=Example,sibling=theorem]{example}
+
+\theoremstyle{theorem}
+% \declaretheorem[name=Question,sibling=theorem,style=thmblackbox]{ques}
+% \declaretheorem[name=Exercise,sibling=theorem,style=thmblackbox]{exercise}
+\declaretheorem[name=Remark,sibling=theorem,style=thmgreenbox]{remark}
+\declaretheorem[name=Remark,sibling=theorem,style=thmgreenbox*]{remark*}
+% \declaretheorem[name=Step,style=thmgreenbox]{step} % only used in Lebesgue int

trees/refs/lawson2016spin.tree

@@ -1,5 +1,4 @@
 \title{Spin Geometry}
-\date{2019-03-05}
 \taxon{reference}
 
 % \author{todo}

trees/refs/wiki-0001.tree

@@ -0,0 +1,4 @@
+\title{Clifford algebra (Wikipedia)}
+\taxon{reference}
+
+\p{See [Clifford algebra (Wikipedia)](https://en.wikipedia.org/wiki/Clifford_algebra).}

trees/spin-0001.tree

@@ -0,0 +1,13 @@
+\title{a survey of Spin groups}
+
+\author{utensil}
+
+\date{2024-04-26}
+
+\p{This survey is built on my notes in the process of figuring out Eric Wiesser's MathOverflow question [Definition of a spin group](https://mathoverflow.net/questions/427881/definition-of-a-spin-group) for [our PR to Mathlib4 about Spin groups](https://github.com/leanprover-community/mathlib4/pull/9111/).}
+
+\p{This is also my first [[uts-0002]].}
+
+\transclude{spin-0002}
+
+\transclude{spin-0003}

trees/spin-0002.tree

@@ -0,0 +1,11 @@
+\import{base-macros}
+
+\texdef{Spin group}{lawson2016spin}{
+The Pin group of $(V, q)$ is the subgroup $\operatorname{Pin}(V, q)$ of $P(V, q)$ generated by the elements $v \in V$ with $q(v) = \pm 1$.
+
+The associated spin group of $(V, q)$ is then defined by
+
+$$
+\operatorname{Spin}(V, q)=\operatorname{Pin}(V, q) \cap \mathrm{Cl}^0(V, q)
+$$
+}

trees/spin-0003.tree

@@ -0,0 +1,5 @@
+\import{base-macros}
+
+\texdef{Spin group}{wiki-0001}{
+    The pin group $\operatorname{Pin}_V(K)$ is the subgroup of the Lipschitz group $\Gamma$ of elements of spinor norm 1, and similarly the spin group $\operatorname{Spin}_V(K)$ is the subgroup of elements of Dickson invariant 0 in $\operatorname{Pin}_V(K)$.
+}

trees/uts-0001.tree

@@ -1,7 +1,9 @@
-\title{Home}
+\title{home}
 
 \author{utensil}
 
 \date{2024-04-24}
 
-\p{Testing, see [Spin groups](uts-0002) for some math.}
+\p{[Experimenting](uts-0002), see [[spin-0001]] for some math.}
+
+\p{To search, press \code{Ctrl+K} or \code{Cmd+K}.}

trees/uts-0002.tree

@@ -1,22 +1,11 @@
-\title{A survey of Spin groups}
+\title{Forester experiment}
 
-\author{utensil}
+\date{2024-04-27}
 
-\date{2024-04-26}
+\p{I'm experimenting using [Forester](https://www.jonmsterling.com/jms-005P.xml) for building [forests of evergreen notes](https://www.jonmsterling.com/tfmt-000V.xml) like [Notes on duploid theory](https://www.jonmsterling.com/jms-0047.xml).}
 
-\p{This survey is built on my notes in the process of figuring out Eric Wiesser's MathOverflow question [Definition of a spin group](https://mathoverflow.net/questions/427881/definition-of-a-spin-group) for [my PR to Mathlib4 about Spin groups](https://github.com/leanprover-community/mathlib4/pull/9111/).}
+\p{I wish to use it to organize many definitions, proofs and discussions about the same mathematical concepts/topics. This is a spiritual successor to my "Many faces of Clifford algebras" writeup.}
 
-\p{This is also an experiment of using [Forester](https://www.jonmsterling.com/jms-005P.xml) for building [forests of evergreen notes](https://www.jonmsterling.com/tfmt-000V.xml). I wish to use it to organize many definitions and discussions about Spin groups. My hope to find these notes easier to reuse and refer to in blogs, papers, blueprints etc.}
-
-\def\my-tex[body]{
-\tex{
-% \usepackage{tikz, tikz-cd, mathtools, amsmath, amssymb, stmaryrd}
-}{\body}
-}
-
-\my-tex{
-Let $M$ be a module over a commutative ring $R$, equipped with a quadratic form $Q: M \to R$.
-}
-
-\p{See [[lawson2016spin]].}
+\p{My hope is to find these notes easier to reuse and refer to in blogs, papers, blueprints etc.}
 
+\p{See [The Forester markup language](https://www.jonmsterling.com/jms-007N.xml) for Markup references, also consult [Forester changlog](https://www.jonmsterling.com/jms-005P.xml) for updates.}