Update HOME_EXAM_Type_check_part2.md

HOME_EXAM_Type_check_part2.md

@@ -62,7 +62,9 @@ Equals (==):
 ```math
 \frac{\Gamma \ \vdash \ e1 \ : \ bool \quad \Gamma \ \vdash \ e2 \ : \ bool}{\Gamma \ \vdash (e1 \ == \ e2) \ : \ bool}
 ```
+
 or
+
 ```math
 \frac{\Gamma \ \vdash \ e1 \ : \ i32 \quad \Gamma \ \vdash \ e2 \ : \ i32}{\Gamma \ \vdash (e1 \ == \ e2) \ : \ bool}
 ```
@@ -71,7 +73,9 @@ Not equals (!=):
 $`
 \frac{\Gamma \ \vdash \ e1 \ : \ bool \quad \Gamma \ \vdash \ e2 \ : \ bool}{\Gamma \ \vdash (e1 \ != \ e2) \ : \ bool}
 `$
+
 or
+
 $`
 \frac{\Gamma \ \vdash \ e1 \ : \ i32 \quad \Gamma \ \vdash \ e2 \ : \ i32}{\Gamma \ \vdash (e1 \ != \ e2) \ : \ bool}
 `$