1. In this paper, binary logic is replaced with multi - valued logic to increase communication rate.

2. Based on the dual-rail logic, a cascadable parallel binary logic gate was, proposed.

3. It is proven that the binary logic system realized with these gates is totally self-checking for mid-seeking faults.

4. Binary logic in XPath expressions is a bit more complex than simply true and false.

5. When it comes to non binary logic, for example modal logic or probabilistic logic, humans often perform better.

6. A real time optical logic processor is presented, that can perform binary logic operations in parallel. Experimental result is given of the system as a half adder.

7. By applying the switch-signal theory, the theory of transmission current-switches based on symmetric binary logic is proposed.