Merge pull request #139 from proux01/rm-redundant-notation #122

Job	Run time
build (mathcomp/mathcomp:2.3.0-coq-8.20)	6m 31s
build (mathcomp/mathcomp-dev:coq-8.20)	19m 49s
build (mathcomp/mathcomp-dev:rocq-prover-dev)	3m 16s
build (mathcomp/mathcomp:2.3.0-coq-8.20)	5m 55s
	35m 31s

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