Metamath Proof Explorer
Table of Contents - 2.1.24. Ordered-pair class abstractions (class builders)
- copab
- df-opab
- opabss
- opabbid
- opabbidv
- opabbii
- nfopab
- nfopab1
- nfopab2
- cbvopab
- cbvopabv
- cbvopab1
- cbvopab1g
- cbvopab2
- cbvopab1s
- cbvopab1v
- cbvopab2v
- unopab