| Mathbox for Alan Sare |
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Description: Virtual deduction proof of hbra2 2148. The following user's proof is
completed by invoking mmj2's unify command and using mmj2's
StepSelector to pick all remaining steps of the Metamath proof.
|
| Ref | Expression |
|---|---|
| hbra2VD |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hbra1 2147 |
. . 3
| |
| 2 | ralcom 2242 |
. . 3
| |
| 3 | imbi1 685 |
. . . 4
| |
| 4 | 3 | biimprcd 173 |
. . 3
|
| 5 | 1, 2, 4 | e00 16635 |
. 2
|
| 6 | 2 | ax-gen 1305 |
. . 3
|
| 7 | albi 1344 |
. . 3
| |
| 8 | 6, 7 | e0_ 16637 |
. 2
|
| 9 | imbi2 686 |
. . 3
| |
| 10 | 9 | biimprcd 173 |
. 2
|
| 11 | 5, 8, 10 | e00 16635 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-ral 2109 |