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Mirrors > Home > ILE Home > Th. List > fzass4 | Unicode version |
Description: Two ways to express a nondecreasing sequence of four integers. (Contributed by Stefan O'Rear, 15-Aug-2015.) |
Ref | Expression |
---|---|
fzass4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpll 527 |
. . . . 5
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2 | simprl 529 |
. . . . 5
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3 | 1, 2 | jca 306 |
. . . 4
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4 | uztrn 9533 |
. . . . . 6
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5 | 4 | ancoms 268 |
. . . . 5
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6 | 5 | ad2ant2r 509 |
. . . 4
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7 | simprr 531 |
. . . 4
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8 | 3, 6, 7 | jca32 310 |
. . 3
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9 | simpll 527 |
. . . . 5
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10 | uztrn 9533 |
. . . . . . 7
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11 | 10 | ancoms 268 |
. . . . . 6
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12 | 11 | ad2ant2l 508 |
. . . . 5
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13 | 9, 12 | jca 306 |
. . . 4
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14 | simplr 528 |
. . . 4
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15 | simprr 531 |
. . . 4
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16 | 13, 14, 15 | jca32 310 |
. . 3
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17 | 8, 16 | impbii 126 |
. 2
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18 | elfzuzb 10005 |
. . 3
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19 | elfzuzb 10005 |
. . 3
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20 | 18, 19 | anbi12i 460 |
. 2
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21 | elfzuzb 10005 |
. . 3
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22 | elfzuzb 10005 |
. . 3
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23 | 21, 22 | anbi12i 460 |
. 2
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24 | 17, 20, 23 | 3bitr4i 212 |
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-in1 614 ax-in2 615 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-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4118 ax-pow 4171 ax-pr 4206 ax-un 4430 ax-setind 4533 ax-cnex 7893 ax-resscn 7894 ax-pre-ltwlin 7915 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2739 df-sbc 2963 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-uni 3808 df-br 4001 df-opab 4062 df-mpt 4063 df-id 4290 df-xp 4629 df-rel 4630 df-cnv 4631 df-co 4632 df-dm 4633 df-rn 4634 df-res 4635 df-ima 4636 df-iota 5174 df-fun 5214 df-fn 5215 df-f 5216 df-fv 5220 df-ov 5872 df-oprab 5873 df-mpo 5874 df-pnf 7984 df-mnf 7985 df-xr 7986 df-ltxr 7987 df-le 7988 df-neg 8121 df-z 9243 df-uz 9518 df-fz 9996 |
This theorem is referenced by: (None) |
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