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Mirrors > Home > ILE Home > Th. List > addclnq0 | Unicode version |
Description: Closure of addition on non-negative fractions. (Contributed by Jim Kingdon, 29-Nov-2019.) |
Ref | Expression |
---|---|
addclnq0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nq0 6677 |
. . 3
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2 | oveq1 5550 |
. . . 4
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3 | 2 | eleq1d 2148 |
. . 3
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4 | oveq2 5551 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 4 | eleq1d 2148 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
6 | addnnnq0 6701 |
. . . 4
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7 | pinn 6561 |
. . . . . . . . 9
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8 | nnmcl 6125 |
. . . . . . . . 9
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9 | 7, 8 | sylan2 280 |
. . . . . . . 8
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10 | pinn 6561 |
. . . . . . . . 9
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11 | nnmcl 6125 |
. . . . . . . . 9
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12 | 10, 11 | sylan 277 |
. . . . . . . 8
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13 | nnacl 6124 |
. . . . . . . 8
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14 | 9, 12, 13 | syl2an 283 |
. . . . . . 7
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15 | 14 | an42s 554 |
. . . . . 6
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16 | mulpiord 6569 |
. . . . . . . 8
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17 | mulclpi 6580 |
. . . . . . . 8
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18 | 16, 17 | eqeltrrd 2157 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
19 | 18 | ad2ant2l 492 |
. . . . . 6
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20 | 15, 19 | jca 300 |
. . . . 5
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21 | opelxpi 4402 |
. . . . 5
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22 | enq0ex 6691 |
. . . . . 6
![]() ![]() ![]() | |
23 | 22 | ecelqsi 6226 |
. . . . 5
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24 | 20, 21, 23 | 3syl 17 |
. . . 4
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25 | 6, 24 | eqeltrd 2156 |
. . 3
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26 | 1, 3, 5, 25 | 2ecoptocl 6260 |
. 2
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27 | 26, 1 | syl6eleqr 2173 |
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-in1 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-coll 3901 ax-sep 3904 ax-nul 3912 ax-pow 3956 ax-pr 3972 ax-un 4196 ax-setind 4288 ax-iinf 4337 |
This theorem depends on definitions: df-bi 115 df-dc 777 df-3or 921 df-3an 922 df-tru 1288 df-fal 1291 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ne 2247 df-ral 2354 df-rex 2355 df-reu 2356 df-rab 2358 df-v 2604 df-sbc 2817 df-csb 2910 df-dif 2976 df-un 2978 df-in 2980 df-ss 2987 df-nul 3259 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-uni 3610 df-int 3645 df-iun 3688 df-br 3794 df-opab 3848 df-mpt 3849 df-tr 3884 df-id 4056 df-iord 4129 df-on 4131 df-suc 4134 df-iom 4340 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-dm 4381 df-rn 4382 df-res 4383 df-ima 4384 df-iota 4897 df-fun 4934 df-fn 4935 df-f 4936 df-f1 4937 df-fo 4938 df-f1o 4939 df-fv 4940 df-ov 5546 df-oprab 5547 df-mpt2 5548 df-1st 5798 df-2nd 5799 df-recs 5954 df-irdg 6019 df-oadd 6069 df-omul 6070 df-er 6172 df-ec 6174 df-qs 6178 df-ni 6556 df-mi 6558 df-enq0 6676 df-nq0 6677 df-plq0 6679 |
This theorem is referenced by: distnq0r 6715 prarloclemcalc 6754 |
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