X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Fng_assembly2%2Fcommon%2Fsigma.ma;fp=matita%2Fmatita%2Fcontribs%2Fng_assembly2%2Fcommon%2Fsigma.ma;h=529ca7ada03fc8e242df4987af656be8b0b9ac7d;hp=529ca7ada03fc8e242df4987af656be8b0b9ac7d;hb=bbf85ddcdfe0809fee0c6ca9812ce0da30c238af;hpb=7c9d99dfb049d726491b71f07ba6a9b088b30166

diff --git a/matita/matita/contribs/ng_assembly2/common/sigma.ma b/matita/matita/contribs/ng_assembly2/common/sigma.ma
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