to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
{{Information |Description=Difference of squares on axes and conjugated diameters on a hyperbola are equal; Equality of parallelograms enclosed by conjugate diameters and axes. |Source=https://bdh-rd.bne.es/viewer.vm?id=0000084822&page=97 (Biblioteca Nacional de España) |Date=1685 |Author=w:Philippe de La Hire |Permission= |other_versions= }} =={{int:license-header}}== {{cc-by-sa-4.0}} Category:Philippe de La HireCategory:Conic sections; historical drawings