added ImpLeft Example (indistinct application of impLeft)

ui/src/main/java/edu/kit/iti/formal/psdbg/examples/impLeft/ImpLeftExample.java

+package edu.kit.iti.formal.psdbg.examples.impLeft;
+
+import edu.kit.iti.formal.psdbg.examples.Example;
+
+public class ImpLeftExample extends Example {
+
+    public ImpLeftExample() {
+        setName("ImpLeft");
+        defaultInit(getClass());
+    }
+
+}
+

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/ViewSettings.java

+package edu.kit.iti.formal.psdbg.gui.controls;
+
+import edu.kit.iti.formal.psdbg.gui.controller.DebuggerMain;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.BorderPane;
+
+public class ViewSettings extends BorderPane {
+
+    /*
+    TODO: Changeable View
+    - ScriptArea
+    - Contextmenu
+    - Sequentview
+    - JavaCode
+     */
+
+    @FXML
+    private TextField scriptAreaSize;
+
+    @FXML
+    private TextField contextAreaSize;
+
+    @FXML
+    private TextField sequentSize;
+
+    @FXML
+    private TextField javaCodeSize;
+
+    @FXML
+    private TextField allSizes;
+
+
+    @FXML
+    private Button apply;
+
+    @FXML
+    private Button reset;
+
+    public ViewSettings(DebuggerMain dm) {
+
+    }
+}

ui/src/main/resources/META-INF/services/edu.kit.iti.formal.psdbg.examples.Example

 edu.kit.iti.formal.psdbg.examples.contraposition.ContrapositionExample
 edu.kit.iti.formal.psdbg.examples.fol.FirstOrderLogicExample
 edu.kit.iti.formal.psdbg.examples.applyEq.ApplyEqExample
+edu.kit.iti.formal.psdbg.examples.impLeft.ImpLeftExample
 edu.kit.iti.formal.psdbg.examples.java.simple.JavaSimpleExample
 edu.kit.iti.formal.psdbg.examples.java.maxtriplet.MaxTripletExample
 #edu.kit.iti.formal.psdbg.examples.java.transitive.PaperExample

ui/src/main/resources/edu/kit/iti/formal/psdbg/examples/impLeft/problem.key

+
+\sorts {
+	s;
+}
+
+\predicates {
+	a;
+	b;
+	c;
+}
+
+\problem {
+    (a -> c) & (b -> c) -> !a -> !c
+}

ui/src/main/resources/edu/kit/iti/formal/psdbg/examples/impLeft/script.kps

+script s() {
+	impRight;
+	andLeft;
+	impLeft;
+}
\ No newline at end of file

ui/src/main/resources/edu/kit/iti/formal/psdbg/gui/controls/ViewSettings.fxml

+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.layout.*?>
+
+<fx:root type="javafx.scene.layout.BorderPane" xmlns:fx="http://javafx.com/fxml/1" fx:id="rootPane"
+         xmlns="http://javafx.com/javafx/8.0.112">
+
+</fx:root>
+