| 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 11842 (and also would hold for |
| Ref | Expression |
|---|---|
| qdencn.q |
|
| Ref | Expression |
|---|---|
| qdencn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 |
. . . 4
| |
| 2 | 1 | recld 11578 |
. . 3
|
| 3 | simpr 110 |
. . . 4
| |
| 4 | 3 | rphalfcld 10005 |
. . 3
|
| 5 | qdenre 11842 |
. . 3
| |
| 6 | 2, 4, 5 | syl2anc 411 |
. 2
|
| 7 | simpll 527 |
. . . . 5
| |
| 8 | 7 | imcld 11579 |
. . . 4
|
| 9 | 4 | adantr 276 |
. . . 4
|
| 10 | qdenre 11842 |
. . . 4
| |
| 11 | 8, 9, 10 | syl2anc 411 |
. . 3
|
| 12 | qcn 9929 |
. . . . . . . 8
| |
| 13 | 12 | ad2antrl 490 |
. . . . . . 7
|
| 14 | 13 | adantr 276 |
. . . . . 6
|
| 15 | ax-icn 8187 |
. . . . . . . 8
| |
| 16 | 15 | a1i 9 |
. . . . . . 7
|
| 17 | qcn 9929 |
. . . . . . . 8
| |
| 18 | 17 | ad2antrl 490 |
. . . . . . 7
|
| 19 | 16, 18 | mulcld 8259 |
. . . . . 6
|
| 20 | 14, 19 | addcld 8258 |
. . . . 5
|
| 21 | qre 9920 |
. . . . . . . . . 10
| |
| 22 | 21 | ad2antrl 490 |
. . . . . . . . 9
|
| 23 | 22 | adantr 276 |
. . . . . . . 8
|
| 24 | qre 9920 |
. . . . . . . . 9
| |
| 25 | 24 | ad2antrl 490 |
. . . . . . . 8
|
| 26 | 23, 25 | crred 11616 |
. . . . . . 7
|
| 27 | simplrl 537 |
. . . . . . 7
| |
| 28 | 26, 27 | eqeltrd 2308 |
. . . . . 6
|
| 29 | 23, 25 | crimd 11617 |
. . . . . . 7
|
| 30 | simprl 531 |
. . . . . . 7
| |
| 31 | 29, 30 | eqeltrd 2308 |
. . . . . 6
|
| 32 | 28, 31 | jca 306 |
. . . . 5
|
| 33 | fveq2 5648 |
. . . . . . . 8
| |
| 34 | 33 | eleq1d 2300 |
. . . . . . 7
|
| 35 | fveq2 5648 |
. . . . . . . 8
| |
| 36 | 35 | eleq1d 2300 |
. . . . . . 7
|
| 37 | 34, 36 | anbi12d 473 |
. . . . . 6
|
| 38 | qdencn.q |
. . . . . 6
| |
| 39 | 37, 38 | elrab2 2966 |
. . . . 5
|
| 40 | 20, 32, 39 | sylanbrc 417 |
. . . 4
|
| 41 | 7 | adantr 276 |
. . . . . . 7
|
| 42 | 20, 41 | subcld 8549 |
. . . . . 6
|
| 43 | 42 | abscld 11821 |
. . . . 5
|
| 44 | 2 | ad2antrr 488 |
. . . . . . . . 9
|
| 45 | 44 | recnd 8267 |
. . . . . . . 8
|
| 46 | 14, 45 | subcld 8549 |
. . . . . . 7
|
| 47 | 46 | abscld 11821 |
. . . . . 6
|
| 48 | 8 | adantr 276 |
. . . . . . . . 9
|
| 49 | 48 | recnd 8267 |
. . . . . . . 8
|
| 50 | 18, 49 | subcld 8549 |
. . . . . . 7
|
| 51 | 50 | abscld 11821 |
. . . . . 6
|
| 52 | 47, 51 | readdcld 8268 |
. . . . 5
|
| 53 | 3 | ad2antrr 488 |
. . . . . 6
|
| 54 | 53 | rpred 9992 |
. . . . 5
|
| 55 | 1 | replimd 11581 |
. . . . . . . . . . 11
|
| 56 | 55 | oveq2d 6044 |
. . . . . . . . . 10
|
| 57 | 56 | ad2antrr 488 |
. . . . . . . . 9
|
| 58 | 16, 49 | mulcld 8259 |
. . . . . . . . . 10
|
| 59 | 14, 19, 45, 58 | addsub4d 8596 |
. . . . . . . . 9
|
| 60 | 57, 59 | eqtrd 2264 |
. . . . . . . 8
|
| 61 | 60 | fveq2d 5652 |
. . . . . . 7
|
| 62 | 19, 58 | subcld 8549 |
. . . . . . . 8
|
| 63 | 46, 62 | abstrid 11836 |
. . . . . . 7
|
| 64 | 61, 63 | eqbrtrd 4115 |
. . . . . 6
|
| 65 | 16, 50 | absmuld 11834 |
. . . . . . . 8
|
| 66 | 16, 18, 49 | subdid 8652 |
. . . . . . . . 9
|
| 67 | 66 | fveq2d 5652 |
. . . . . . . 8
|
| 68 | absi 11699 |
. . . . . . . . . 10
| |
| 69 | 68 | oveq1i 6038 |
. . . . . . . . 9
|
| 70 | 51 | recnd 8267 |
. . . . . . . . . 10
|
| 71 | 70 | mullidd 8257 |
. . . . . . . . 9
|
| 72 | 69, 71 | eqtrid 2276 |
. . . . . . . 8
|
| 73 | 65, 67, 72 | 3eqtr3d 2272 |
. . . . . . 7
|
| 74 | 73 | oveq2d 6044 |
. . . . . 6
|
| 75 | 64, 74 | breqtrd 4119 |
. . . . 5
|
| 76 | simplrr 538 |
. . . . . 6
| |
| 77 | simprr 533 |
. . . . . 6
| |
| 78 | 47, 51, 54, 76, 77 | lt2halvesd 9451 |
. . . . 5
|
| 79 | 43, 52, 54, 75, 78 | lelttrd 8363 |
. . . 4
|
| 80 | oveq1 6035 |
. . . . . . 7
| |
| 81 | 80 | fveq2d 5652 |
. . . . . 6
|
| 82 | 81 | breq1d 4103 |
. . . . 5
|
| 83 | 82 | rspcev 2911 |
. . . 4
|
| 84 | 40, 79, 83 | syl2anc 411 |
. . 3
|
| 85 | 11, 84 | rexlimddv 2656 |
. 2
|
| 86 | 6, 85 | rexlimddv 2656 |
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-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-mulrcl 8191 ax-addcom 8192 ax-mulcom 8193 ax-addass 8194 ax-mulass 8195 ax-distr 8196 ax-i2m1 8197 ax-0lt1 8198 ax-1rid 8199 ax-0id 8200 ax-rnegex 8201 ax-precex 8202 ax-cnre 8203 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-apti 8207 ax-pre-ltadd 8208 ax-pre-mulgt0 8209 ax-pre-mulext 8210 ax-arch 8211 ax-caucvg 8212 |
| 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 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-if 3608 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-tr 4193 df-id 4396 df-po 4399 df-iso 4400 df-iord 4469 df-on 4471 df-ilim 4472 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-recs 6514 df-frec 6600 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-sub 8411 df-neg 8412 df-reap 8814 df-ap 8821 df-div 8912 df-inn 9203 df-2 9261 df-3 9262 df-4 9263 df-n0 9462 df-z 9541 df-uz 9817 df-q 9915 df-rp 9950 df-seqfrec 10773 df-exp 10864 df-cj 11482 df-re 11483 df-im 11484 df-rsqrt 11638 df-abs 11639 |
| This theorem is referenced by: (None) |
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