| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > rege0subm | GIF version | ||
| Description: The nonnegative reals form a submonoid of the complex numbers. (Contributed by Mario Carneiro, 20-Jun-2015.) |
| Ref | Expression |
|---|---|
| rege0subm | ⊢ (0[,)+∞) ∈ (SubMnd‘ℂfld) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rge0ssre 10396 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ | |
| 2 | 1 | sseli 3244 | . . 3 ⊢ (𝑥 ∈ (0[,)+∞) → 𝑥 ∈ ℝ) |
| 3 | 2 | recnd 8360 | . 2 ⊢ (𝑥 ∈ (0[,)+∞) → 𝑥 ∈ ℂ) |
| 4 | ge0addcl 10400 | . 2 ⊢ ((𝑥 ∈ (0[,)+∞) ∧ 𝑦 ∈ (0[,)+∞)) → (𝑥 + 𝑦) ∈ (0[,)+∞)) | |
| 5 | 0e0icopnf 10398 | . 2 ⊢ 0 ∈ (0[,)+∞) | |
| 6 | 3, 4, 5 | cnsubmlem 15024 | 1 ⊢ (0[,)+∞) ∈ (SubMnd‘ℂfld) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∈ wcel 2209 ‘cfv 5380 (class class class)co 6088 ℝcr 8184 0cc0 8185 +∞cpnf 8363 [,)cico 10309 SubMndcsubmnd 13824 ℂfldccnfld 15002 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-mulrcl 8284 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-precex 8295 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-apti 8300 ax-pre-ltadd 8301 ax-pre-mulgt0 8302 ax-addf 8307 ax-mulf 8308 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-tp 3717 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-po 4443 df-iso 4444 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-reap 8911 df-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-5 9375 df-6 9376 df-7 9377 df-8 9378 df-9 9379 df-n0 9575 df-z 9656 df-dec 9789 df-uz 9938 df-rp 10072 df-ico 10313 df-fz 10429 df-cj 11629 df-abs 11787 df-struct 13412 df-ndx 13413 df-slot 13414 df-base 13416 df-sets 13417 df-plusg 13503 df-mulr 13504 df-starv 13505 df-tset 13509 df-ple 13510 df-ds 13512 df-unif 13513 df-0g 13671 df-topgen 13673 df-mgm 13735 df-sgrp 13776 df-mnd 13789 df-submnd 13826 df-grp 13867 df-cmn 14179 df-mgp 14325 df-ring 14409 df-cring 14410 df-bl 14992 df-mopn 14993 df-fg 14995 df-metu 14996 df-cnfld 15003 |
| This theorem is used by: (None) |
| Copyright terms: Public domain | W3C validator |