add iff symbol #1168

	# This workflow will build a .NET project
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net

	name: Tutorials

	on: [push, pull_request]

	jobs:
	Build-MacOS:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v1
	- name: Setup .NET Core
	uses: actions/setup-dotnet@v1
	with:
	dotnet-version: 8.0.x
	- name: Set up JDK
	uses: actions/setup-java@v1
	with:
	java-version: 11
	- name: Install P as a tool
	run: dotnet tool install --global p
	- name: Compile Tutorials
	run: ./Src/Scripts/TutorialsChecker/compile.sh ./Tutorial
	- name: Check Tutorials
	run: ./Src/Scripts/TutorialsChecker/check.sh ./Tutorial

Provide feedback