Added theorems setsum_reindex_nonzero, setsum_mono_zero_left, setsum_mono_zero_right, setsum_mono_zero_cong_left, setsum_mono_zero_cong_right, setsum_delta, strong_setprod_reindex_cong, setprod_delta
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: create named pipe
PRG="$(basename "$0")"
function usage()
{
echo
echo "Usage: isabelle $PRG"
echo
echo " Create a temporary named pipe and return its name."
echo
exit 1
}
function fail()
{
echo "$1" >&2
exit 2
}
## main
[ "$#" != 0 ] && usage
FIFO="/tmp/isabelle-fifo$$"
mkfifo -m 600 "$FIFO" || fail "Failed to create named pipe $FIFO"
echo "$FIFO"