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  • * We say "''{{M|f}} is homotopic to {{M|g}} (relative to {{M|A}})''" if there exists a [[homotopy]] {{M|(\te ...we write {{M|f\simeq g}}) we may say that {{M|f}} and {{M|g}} are ''freely homotopic''
    4 KB (674 words) - 13:26, 15 September 2016
  • ...notes the relation of [[homotopy of maps]] - that is in this case [[freely homotopic]] ...ext{Id}_X:x\mapsto x}} and {{M|(f\circ g):Y\rightarrow Y}} is again freely homotopic to {{M|\text{Id}_Y:Y\rightarrow Y}} by {{M|\text{Id}_Y:y\mapsto y}}
    3 KB (596 words) - 21:13, 24 April 2017