| Mathbox for Jim Kingdon |
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| Mirrors > Home > ILE Home > Th. List > Mathboxes > qdencn | Unicode version | ||
| Description: The set of complex
numbers whose real and imaginary parts are rational
is dense in the complex plane. This is a two dimensional analogue to
qdenre 11918 (and also would hold for |
| Ref | Expression |
|---|---|
| qdencn.q |
|
| Ref | Expression |
|---|---|
| qdencn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 |
. . . 4
| |
| 2 | 1 | recld 11654 |
. . 3
|
| 3 | simpr 110 |
. . . 4
| |
| 4 | 3 | rphalfcld 10065 |
. . 3
|
| 5 | qdenre 11918 |
. . 3
| |
| 6 | 2, 4, 5 | syl2anc 411 |
. 2
|
| 7 | simpll 527 |
. . . . 5
| |
| 8 | 7 | imcld 11655 |
. . . 4
|
| 9 | 4 | adantr 276 |
. . . 4
|
| 10 | qdenre 11918 |
. . . 4
| |
| 11 | 8, 9, 10 | syl2anc 411 |
. . 3
|
| 12 | qcn 9989 |
. . . . . . . 8
| |
| 13 | 12 | ad2antrl 490 |
. . . . . . 7
|
| 14 | 13 | adantr 276 |
. . . . . 6
|
| 15 | ax-icn 8240 |
. . . . . . . 8
| |
| 16 | 15 | a1i 9 |
. . . . . . 7
|
| 17 | qcn 9989 |
. . . . . . . 8
| |
| 18 | 17 | ad2antrl 490 |
. . . . . . 7
|
| 19 | 16, 18 | mulcld 8312 |
. . . . . 6
|
| 20 | 14, 19 | addcld 8311 |
. . . . 5
|
| 21 | qre 9980 |
. . . . . . . . . 10
| |
| 22 | 21 | ad2antrl 490 |
. . . . . . . . 9
|
| 23 | 22 | adantr 276 |
. . . . . . . 8
|
| 24 | qre 9980 |
. . . . . . . . 9
| |
| 25 | 24 | ad2antrl 490 |
. . . . . . . 8
|
| 26 | 23, 25 | crred 11692 |
. . . . . . 7
|
| 27 | simplrl 537 |
. . . . . . 7
| |
| 28 | 26, 27 | eqeltrd 2311 |
. . . . . 6
|
| 29 | 23, 25 | crimd 11693 |
. . . . . . 7
|
| 30 | simprl 531 |
. . . . . . 7
| |
| 31 | 29, 30 | eqeltrd 2311 |
. . . . . 6
|
| 32 | 28, 31 | jca 306 |
. . . . 5
|
| 33 | fveq2 5677 |
. . . . . . . 8
| |
| 34 | 33 | eleq1d 2303 |
. . . . . . 7
|
| 35 | fveq2 5677 |
. . . . . . . 8
| |
| 36 | 35 | eleq1d 2303 |
. . . . . . 7
|
| 37 | 34, 36 | anbi12d 473 |
. . . . . 6
|
| 38 | qdencn.q |
. . . . . 6
| |
| 39 | 37, 38 | elrab2 2979 |
. . . . 5
|
| 40 | 20, 32, 39 | sylanbrc 417 |
. . . 4
|
| 41 | 7 | adantr 276 |
. . . . . . 7
|
| 42 | 20, 41 | subcld 8603 |
. . . . . 6
|
| 43 | 42 | abscld 11897 |
. . . . 5
|
| 44 | 2 | ad2antrr 488 |
. . . . . . . . 9
|
| 45 | 44 | recnd 8320 |
. . . . . . . 8
|
| 46 | 14, 45 | subcld 8603 |
. . . . . . 7
|
| 47 | 46 | abscld 11897 |
. . . . . 6
|
| 48 | 8 | adantr 276 |
. . . . . . . . 9
|
| 49 | 48 | recnd 8320 |
. . . . . . . 8
|
| 50 | 18, 49 | subcld 8603 |
. . . . . . 7
|
| 51 | 50 | abscld 11897 |
. . . . . 6
|
| 52 | 47, 51 | readdcld 8321 |
. . . . 5
|
| 53 | 3 | ad2antrr 488 |
. . . . . 6
|
| 54 | 53 | rpred 10052 |
. . . . 5
|
| 55 | 1 | replimd 11657 |
. . . . . . . . . . 11
|
| 56 | 55 | oveq2d 6076 |
. . . . . . . . . 10
|
| 57 | 56 | ad2antrr 488 |
. . . . . . . . 9
|
| 58 | 16, 49 | mulcld 8312 |
. . . . . . . . . 10
|
| 59 | 14, 19, 45, 58 | addsub4d 8650 |
. . . . . . . . 9
|
| 60 | 57, 59 | eqtrd 2267 |
. . . . . . . 8
|
| 61 | 60 | fveq2d 5681 |
. . . . . . 7
|
| 62 | 19, 58 | subcld 8603 |
. . . . . . . 8
|
| 63 | 46, 62 | abstrid 11912 |
. . . . . . 7
|
| 64 | 61, 63 | eqbrtrd 4137 |
. . . . . 6
|
| 65 | 16, 50 | absmuld 11910 |
. . . . . . . 8
|
| 66 | 16, 18, 49 | subdid 8707 |
. . . . . . . . 9
|
| 67 | 66 | fveq2d 5681 |
. . . . . . . 8
|
| 68 | absi 11775 |
. . . . . . . . . 10
| |
| 69 | 68 | oveq1i 6070 |
. . . . . . . . 9
|
| 70 | 51 | recnd 8320 |
. . . . . . . . . 10
|
| 71 | 70 | mullidd 8310 |
. . . . . . . . 9
|
| 72 | 69, 71 | eqtrid 2279 |
. . . . . . . 8
|
| 73 | 65, 67, 72 | 3eqtr3d 2275 |
. . . . . . 7
|
| 74 | 73 | oveq2d 6076 |
. . . . . 6
|
| 75 | 64, 74 | breqtrd 4141 |
. . . . 5
|
| 76 | simplrr 538 |
. . . . . 6
| |
| 77 | simprr 533 |
. . . . . 6
| |
| 78 | 47, 51, 54, 76, 77 | lt2halvesd 9508 |
. . . . 5
|
| 79 | 43, 52, 54, 75, 78 | lelttrd 8417 |
. . . 4
|
| 80 | oveq1 6067 |
. . . . . . 7
| |
| 81 | 80 | fveq2d 5681 |
. . . . . 6
|
| 82 | 81 | breq1d 4125 |
. . . . 5
|
| 83 | 82 | rspcev 2923 |
. . . 4
|
| 84 | 40, 79, 83 | syl2anc 411 |
. . 3
|
| 85 | 11, 84 | rexlimddv 2667 |
. 2
|
| 86 | 6, 85 | rexlimddv 2667 |
1
|
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-coll 4231 ax-sep 4234 ax-nul 4242 ax-pow 4293 ax-pr 4328 ax-un 4560 ax-setind 4666 ax-iinf 4717 ax-cnex 8236 ax-resscn 8237 ax-1cn 8238 ax-1re 8239 ax-icn 8240 ax-addcl 8241 ax-addrcl 8242 ax-mulcl 8243 ax-mulrcl 8244 ax-addcom 8245 ax-mulcom 8246 ax-addass 8247 ax-mulass 8248 ax-distr 8249 ax-i2m1 8250 ax-0lt1 8251 ax-1rid 8252 ax-0id 8253 ax-rnegex 8254 ax-precex 8255 ax-cnre 8256 ax-pre-ltirr 8257 ax-pre-ltwlin 8258 ax-pre-lttrn 8259 ax-pre-apti 8260 ax-pre-ltadd 8261 ax-pre-mulgt0 8262 ax-pre-mulext 8263 ax-arch 8264 ax-caucvg 8265 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3626 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-uni 3921 df-int 3956 df-iun 3999 df-br 4116 df-opab 4178 df-mpt 4179 df-tr 4215 df-id 4420 df-po 4423 df-iso 4424 df-iord 4493 df-on 4495 df-ilim 4496 df-suc 4498 df-iom 4720 df-xp 4762 df-rel 4763 df-cnv 4764 df-co 4765 df-dm 4766 df-rn 4767 df-res 4768 df-ima 4769 df-iota 5319 df-fun 5361 df-fn 5362 df-f 5363 df-f1 5364 df-fo 5365 df-f1o 5366 df-fv 5367 df-riota 6013 df-ov 6063 df-oprab 6064 df-mpo 6065 df-1st 6349 df-2nd 6350 df-recs 6551 df-frec 6637 df-pnf 8328 df-mnf 8329 df-xr 8330 df-ltxr 8331 df-le 8332 df-sub 8465 df-neg 8466 df-reap 8869 df-ap 8876 df-div 8969 df-inn 9260 df-2 9318 df-3 9319 df-4 9320 df-n0 9519 df-z 9600 df-uz 9877 df-q 9975 df-rp 10010 df-seqfrec 10839 df-exp 10930 df-cj 11557 df-re 11558 df-im 11559 df-rsqrt 11714 df-abs 11715 |
| This theorem is referenced by: (None) |
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