Why markdown isn't properly rendered?

I was trying to create a table having || as text but it isn’t properly rendered.

skeleton

But Joplin does render it properly :



Here’s the text

| **Evaluation** | **Result** | **Evaluated as** |
| ---- | ---- | ---- |
| $e = false \|\| true | True | $e = (false \|\| true) |
| $e = false or true | False | ($e = false) or true |

Welcome.