Share the proofs of ×-comm and ⊎-comm of type isomorphisms and add a pairing operation#2868
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shhyou wants to merge 4 commits intoagda:masterfrom
Open
Share the proofs of ×-comm and ⊎-comm of type isomorphisms and add a pairing operation#2868shhyou wants to merge 4 commits intoagda:masterfrom
shhyou wants to merge 4 commits intoagda:masterfrom