What does this sign mean? (it is not exponent)

[iron mulch]

I highlighted the sign with red circle . I know I am stupid, don't tell me that

[past quartz]

"and"

[atomic solar]

and

[pseudo yew]

Meet, which in the case of logic is equivalent to And.
https://en.wikipedia.org/wiki/Join_and_meet

[tacit shore]

It means and, which is not exponent, because we don't write "exponent" symbol in papers. 180 degrees rotated 'V' would be or.

[iron mulch]

thanks

[blissful valve]

.close