Item:Q6119: Difference between revisions

Created a new Item: retraction, left inverse of a morphism
 
Created claim: defining formula (P333): g\text{ is left inverse of }f \iff g \circ f= \operatorname{id}
 
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Property / subclass of
 
Property / subclass of: morphism / rank
 
Normal rank
Property / part of
 
Property / part of: section and retraction / rank
 
Normal rank
Property / defining formula
 

g\text{ is left inverse of }f \iff g \circ f= \operatorname{id}
Property / defining formula: / rank
 
Normal rank