From 442d732696ad431b84f6e5c72b6ee785be4fd968 Mon Sep 17 00:00:00 2001 From: adelon <22380201+adelon@users.noreply.github.com> Date: Sat, 10 Feb 2024 02:22:14 +0100 Subject: Initial commit --- megalodon/scraps.tex | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 megalodon/scraps.tex (limited to 'megalodon/scraps.tex') diff --git a/megalodon/scraps.tex b/megalodon/scraps.tex new file mode 100644 index 0000000..f79a630 --- /dev/null +++ b/megalodon/scraps.tex @@ -0,0 +1,17 @@ +\begin{axiom}\label{trivial} + For all $x$ we have $x = x$. +\end{axiom} + +% Axiom EmptyAx : ~exists x:set, x :e Empty. +\begin{axiom}\label{empty_axiom} + There exists no set $x$ such that $x\in\emptyset$. +\end{axiom} + +% UnionEq : forall X x, x :e Union X <-> exists Y, x :e Y /\ Y :e X. +\begin{axiom}\label{union_eq} + For all $x, X$ we have $x\in\unions{X}$ iff there exists $Y$ such that $x\in Y\in X$. +\end{axiom} + +\begin{theorem}\label{eq_refl} + For all $x$ we have $x=x$. +\end{theorem} -- cgit v1.2.3