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Description: Proof that ax-i12 1438 follows from ax-bndl 1439. So that we can track which theorems rely on ax-bndl 1439, proofs should reference ax-i12 1438 rather than this theorem. (Contributed by Jim Kingdon, 17-Aug-2018.) (New usage is discouraged). (Proof modification is discouraged.) |
Ref | Expression |
---|---|
axi12 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-bndl 1439 | . 2 | |
2 | sp 1441 | . . . 4 | |
3 | 2 | orim2i 710 | . . 3 |
4 | 3 | orim2i 710 | . 2 |
5 | 1, 4 | ax-mp 7 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wo 661 wal 1282 wceq 1284 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-bndl 1439 ax-4 1440 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: (None) |
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