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Proofgold Proof

pf
Apply unknownprop_85336ee07ace71a942dc508d3b8c851d9d6bb88511443b7dafbf11b71c263f4d with λ x0 . or (x0 = 4a7ef..) (∃ x1 . and (ba9d8.. x1) (x0 = 4ae4a.. x1)) leaving 2 subgoals.
Apply orIL with 4a7ef.. = 4a7ef.., ∃ x0 . and (ba9d8.. x0) (4a7ef.. = 4ae4a.. x0).
Let x0 of type ιιο be given.
Assume H0: x0 4a7ef.. 4a7ef...
The subproof is completed by applying H0.
Let x0 of type ι be given.
Assume H0: ba9d8.. x0.
Assume H1: or (x0 = 4a7ef..) (∃ x1 . and (ba9d8.. x1) (x0 = 4ae4a.. x1)).
Apply orIR with 4ae4a.. x0 = 4a7ef.., ∃ x1 . and (ba9d8.. x1) (4ae4a.. x0 = 4ae4a.. x1).
Let x1 of type ο be given.
Assume H2: ∀ x2 . and (ba9d8.. x2) (4ae4a.. x0 = 4ae4a.. x2)x1.
Apply H2 with x0.
Apply andI with ba9d8.. x0, 4ae4a.. x0 = 4ae4a.. x0 leaving 2 subgoals.
The subproof is completed by applying H0.
Let x2 of type ιιο be given.
Assume H3: x2 (4ae4a.. x0) (4ae4a.. x0).
The subproof is completed by applying H3.