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Mathbox for Alan Sare |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > el0321old | Structured version Visualization version Unicode version |
Description: A virtual deduction elimination rule. (Contributed by Alan Sare, 13-Jun-2015.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
el0321old.1 |
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el0321old.2 |
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el0321old.3 |
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Ref | Expression |
---|---|
el0321old |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | el0321old.1 |
. . 3
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2 | el0321old.2 |
. . . 4
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3 | 2 | dfvd3ani 36965 |
. . 3
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4 | el0321old.3 |
. . 3
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5 | 1, 3, 4 | eel0321old 37101 |
. 2
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6 | 5 | dfvd3anir 36966 |
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 189 df-an 373 df-vd1 36940 df-vhc3 36959 |
This theorem is referenced by: suctrALTcfVD 37320 |
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