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| Mirrors > Home > MPE Home > Th. List > 5re | Structured version Visualization version GIF version | ||
| Description: The number 5 is real. (Contributed by NM, 27-May-1999.) |
| Ref | Expression |
|---|---|
| 5re | ⊢ 5 ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-5 12418 | . 2 ⊢ 5 = (4 + 1) | |
| 2 | 4re 12437 | . . 3 ⊢ 4 ∈ ℝ | |
| 3 | 1re 11318 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 11334 | . 2 ⊢ (4 + 1) ∈ ℝ |
| 5 | 1, 4 | eqeltri 2859 | 1 ⊢ 5 ∈ ℝ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 (class class class)co 7427 ℝcr 11209 1c1 11211 + caddc 11213 4c4 12409 5c5 12410 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-ext 2735 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-i2m1 11278 ax-1ne0 11279 ax-rrecex 11282 ax-cnre 11283 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2101 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3416 df-v 3455 df-ss 3900 df-dif 4049 df-un 4153 df-nul 4281 df-if 4485 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-br 5106 df-iota 6500 df-fv 6554 df-ov 7430 df-2 12415 df-3 12416 df-4 12417 df-5 12418 |
| This theorem is used by: 6re 12443 3lt5 12533 2lt5 12534 1lt5 12535 5lt6 12536 4lt6 12537 5lt7 12542 4lt7 12543 5lt8 12549 4lt8 12550 5lt9 12557 4lt9 12558 5lt10 12965 5recm6rec 12974 5eluz3 13020 5rp 13137 fz0to5un2tp 13775 ef01bndlem 16364 prm23ge5 17005 prmlem1 17297 vscandxnscandx 17507 slotsdifipndx 17518 slotstnscsi 17543 plendxnscandx 17556 slotsdnscsi 17575 ppiublem1 27541 ppiub 27543 bposlem3 27625 bposlem4 27626 bposlem5 27627 bposlem6 27628 bposlem8 27630 bposlem9 27631 lgsdir2lem1 27664 gausslemma2dlem4 27708 2lgslem3 27743 ex-id 31047 ex-sqrt 31067 threehalves 33534 cyc3conja 33771 hgt750lem2 35334 hgt750leme 35340 problem2 36552 12gcd5e1 43193 lcmineqlem23 43241 3lexlogpow2ineq1 43248 3lexlogpow2ineq2 43249 aks4d1p1p4 43261 aks4d1p1p6 43263 aks4d1p1p7 43264 aks4d1p1p5 43265 stoweidlem13 47162 goldrarr 48067 goldrasin 48068 goldrapos 48069 goldracos5teq 48071 goldratval 48075 ceil5half3 48555 modm2nep1 48581 modp2nep1 48582 modm1nep2 48583 modm1nem2 48584 modm1p1ne 48585 31prm 48821 gbegt5 48998 gbowgt5 48999 sbgoldbo 49024 nnsum3primesle9 49031 nnsum4primesodd 49033 evengpop3 49035 usgrexmpl1lem 49258 usgrexmpl2lem 49263 usgrexmpl2nb4 49272 usgrexmpl2nb5 49273 gpg5nbgrvtx13starlem2 49309 gpg5nbgr3star 49318 gpg5edgnedg 49367 veronesev5lem 51191 veronesev6lem 51192 veronesevrowd 51193 veroquadgsumlem 51197 |
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