Yoneda lemma using 0-groupoids #1527

Job	Run time
nix	4m 8s
quick-build (supported, ubuntu-latest)	3m 28s
quick-build (latest, ubuntu-latest)	4m 8s
quick-build (dev, ubuntu-latest)	3m 28s
opam-build (supported, ubuntu-latest)	6m 47s
opam-build (8.17, ubuntu-latest)	5m 41s
opam-build (latest, ubuntu-latest)	5m 29s
opam-build (dev, ubuntu-latest)	5m 22s
build (supported)	3m 54s
build (latest)	3m 49s
build (dev, --warnings)	3m 44s
doc-timing	1m 44s
doc-alectryon	15m 15s
doc-coqdoc	1m 41s
doc-dep-graphs	8m 46s
coqchk (supported)	2m 5s
coqchk (latest)	1m 56s
coqchk (dev)	1m 53s
install (supported)	1m 27s
install (latest)	1m 51s
install (dev)	1m 57s
deploy-doc	0s
delete-artifacts	3s
	1h 28m 36s

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