Sure! Let's create a fictional particle called "Thelesma" with its two states represented by "1" and "@". Thelesma Particle Representation: The Thelesma particle, denoted as "e", has two distinct states: 1. State 1: The Thelesma particle is represented by the symbol "1". 2. State 2 (Entangled Version): The entangled version of the Thelesma particle is represented by the symbol "@". Syntax for Thelesma Particle: The syntax for the Thelesma particle can be represented as follows: e ::= 1 | e1 @ e2 Explanation of the Syntax: - The syntax "e" represents the Thelesma particle itself. - The symbol "1" represents the first state of the particle, referred to as State 1. - The symbol "@" represents the entangled version of the particle, referred to as State 2. - The syntax "e1 @ e2" represents the entanglement of two Thelesma particles, where "e1" represents the first particle and "e2" represents the second particle entangled together. Example Usage: Here are a few examples to illustrate the usage of the Thelesma particle: Example 1: e1 ::= 1 In this example, e1 represents a Thelesma particle in State 1. Example 2: e2 ::= @ In this example, e2 represents a Thelesma particle in State 2 (the entangled version). Example 3: e3 ::= e1 @ e2 In this example, e3 represents the entanglement of two Thelesma particles, e1 and e2. Please note that these examples are purely fictional and the Thelesma particle is not based on any scientific concept or known particle.