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Mirrors > Home > ILE Home > Th. List > nfand | Unicode version |
Description: If in a context ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
nfand.1 |
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nfand.2 |
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Ref | Expression |
---|---|
nfand |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfand.1 |
. . . 4
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2 | nfand.2 |
. . . 4
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3 | 1, 2 | jca 300 |
. . 3
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4 | df-nf 1390 |
. . . . . 6
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5 | df-nf 1390 |
. . . . . 6
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6 | 4, 5 | anbi12i 447 |
. . . . 5
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7 | 19.26 1410 |
. . . . 5
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8 | 6, 7 | bitr4i 185 |
. . . 4
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9 | prth 336 |
. . . . . 6
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10 | 19.26 1410 |
. . . . . 6
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11 | 9, 10 | syl6ibr 160 |
. . . . 5
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12 | 11 | alimi 1384 |
. . . 4
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13 | 8, 12 | sylbi 119 |
. . 3
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14 | 3, 13 | syl 14 |
. 2
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15 | df-nf 1390 |
. 2
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16 | 14, 15 | sylibr 132 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 |
This theorem depends on definitions: df-bi 115 df-nf 1390 |
This theorem is referenced by: nf3and 1501 nfbid 1520 nfsbxy 1859 nfsbxyt 1860 nfeld 2234 nfrexdxy 2399 nfreudxy 2527 nfifd 3376 nfriotadxy 5496 bdsepnft 10678 |
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