- #1
mathmari
Gold Member
MHB
- 5,049
- 7
Hey!
I am reading the following lemma about (positive) existential theory:
View attachment 4535
Could you explain to me the last proposition?
Why does this hold?
I am reading the following lemma about (positive) existential theory:
View attachment 4535
Could you explain to me the last proposition?
Why does this hold?