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Mirrors > Home > ILE Home > Th. List > sbnf2 | Unicode version |
Description: Two ways of expressing
"![]() ![]() |
Ref | Expression |
---|---|
sbnf2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2albiim 1488 |
. 2
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2 | df-nf 1461 |
. . . . 5
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3 | sbhb 1940 |
. . . . . 6
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4 | 3 | albii 1470 |
. . . . 5
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5 | alcom 1478 |
. . . . 5
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6 | 2, 4, 5 | 3bitri 206 |
. . . 4
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7 | nfv 1528 |
. . . . . . 7
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8 | 7 | sb8 1856 |
. . . . . 6
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9 | nfs1v 1939 |
. . . . . . . 8
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10 | 9 | sblim 1957 |
. . . . . . 7
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11 | 10 | albii 1470 |
. . . . . 6
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12 | 8, 11 | bitri 184 |
. . . . 5
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13 | 12 | albii 1470 |
. . . 4
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14 | alcom 1478 |
. . . 4
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15 | 6, 13, 14 | 3bitri 206 |
. . 3
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16 | sbhb 1940 |
. . . . . 6
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17 | 16 | albii 1470 |
. . . . 5
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18 | alcom 1478 |
. . . . 5
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19 | 2, 17, 18 | 3bitri 206 |
. . . 4
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20 | nfv 1528 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
21 | 20 | sb8 1856 |
. . . . . 6
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22 | nfs1v 1939 |
. . . . . . . 8
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23 | 22 | sblim 1957 |
. . . . . . 7
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24 | 23 | albii 1470 |
. . . . . 6
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25 | 21, 24 | bitri 184 |
. . . . 5
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26 | 25 | albii 1470 |
. . . 4
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27 | 19, 26 | bitri 184 |
. . 3
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28 | 15, 27 | anbi12i 460 |
. 2
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29 | anidm 396 |
. 2
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30 | 1, 28, 29 | 3bitr2ri 209 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 |
This theorem depends on definitions: df-bi 117 df-nf 1461 df-sb 1763 |
This theorem is referenced by: sbnfc2 3117 |
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