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Mirrors > Home > MPE Home > Th. List > nf3an | Structured version Visualization version Unicode version |
Description: If ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
nfan.1 |
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nfan.2 |
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nfan.3 |
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Ref | Expression |
---|---|
nf3an |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-3an 987 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | nfan.1 |
. . . 4
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3 | nfan.2 |
. . . 4
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4 | 2, 3 | nfan 2011 |
. . 3
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5 | nfan.3 |
. . 3
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6 | 4, 5 | nfan 2011 |
. 2
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7 | 1, 6 | nfxfr 1696 |
1
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