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Mirrors > Home > NFE Home > Th. List > re1tbw4 | Unicode version |
Description: tbw-ax4 1468 rederived from merco2 1501.
This theorem, along with re1tbw1 1510, re1tbw2 1511, and re1tbw3 1512, shows that merco2 1501, along with ax-mp 5, can be used as a complete axiomatization of propositional calculus. (Contributed by Anthony Hart, 16-Aug-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
re1tbw4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | re1tbw3 1512 |
. . 3
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2 | re1tbw2 1511 |
. . . 4
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3 | re1tbw1 1510 |
. . . 4
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4 | 2, 3 | ax-mp 5 |
. . 3
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5 | 1, 4 | ax-mp 5 |
. 2
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6 | re1tbw3 1512 |
. . . . 5
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7 | re1tbw2 1511 |
. . . . . 6
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8 | re1tbw1 1510 |
. . . . . 6
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9 | 7, 8 | ax-mp 5 |
. . . . 5
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10 | 6, 9 | ax-mp 5 |
. . . 4
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11 | mercolem3 1504 |
. . . . 5
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12 | merco2 1501 |
. . . . 5
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13 | 11, 12 | ax-mp 5 |
. . . 4
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14 | 10, 13 | ax-mp 5 |
. . 3
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15 | 5, 14 | ax-mp 5 |
. 2
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16 | 5, 15 | ax-mp 5 |
1
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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 depends on definitions: df-bi 177 df-tru 1319 df-fal 1320 |
This theorem is referenced by: (None) |
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