Theorem wat 193

Description: The type of the indefinite descriptor. (Contributed by Mario Carneiro, 10-Oct-2014.)

Assertion

Ref	Expression
wat	|- @:((al -> *) -> al)

Proof of Theorem wat

Step	Hyp	Ref	Expression
1		ax-wat 192	1 |- @:((al -> *) -> al)

Syntax hints:   -> ht 2  *hb 3  wffMMJ2t 12  @tat 191

This theorem was proved from axioms:  ax-wat 192

This theorem is referenced by:  ac  197  dfex2  198  exmid  199