Description: A topological space depends only on the base and topology components. (Contributed by Mario Carneiro, 13-Aug-2015)
Ref | Expression | ||
---|---|---|---|
Hypotheses | tpsprop2d.1 | ||
tpsprop2d.2 | |||
Assertion | tpsprop2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tpsprop2d.1 | ||
2 | tpsprop2d.2 | ||
3 | 1 2 | topnpropd | |
4 | 1 3 | tpspropd |