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| Mirrors > Home > MPE Home > Th. List > merlem5 | Structured version Visualization version Unicode version | ||
| Description: Step 11 of Meredith's proof of Lukasiewicz axioms from his sole axiom. (Contributed by NM, 14-Dec-2002.) (Proof modification is discouraged.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| merlem5 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | meredith 1566 |
. 2
| |
| 2 | meredith 1566 |
. . 3
| |
| 3 | merlem1 1567 |
. . . . 5
| |
| 4 | merlem4 1570 |
. . . . 5
| |
| 5 | 3, 4 | ax-mp 5 |
. . . 4
|
| 6 | meredith 1566 |
. . . 4
| |
| 7 | 5, 6 | ax-mp 5 |
. . 3
|
| 8 | 2, 7 | ax-mp 5 |
. 2
|
| 9 | 1, 8 | ax-mp 5 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem is referenced by: merlem12 1578 merlem13 1579 luk-2 1581 |
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