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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 12323 | . 2 ⊢ 5 = (4 + 1) | |
| 2 | 4re 12342 | . . 3 ⊢ 4 ∈ ℝ | |
| 3 | 1re 11225 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2, 3 | readdcli 11241 | . 2 ⊢ (4 + 1) ∈ ℝ |
| 5 | 1, 4 | eqeltri 2861 | 1 ⊢ 5 ∈ ℝ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 (class class class)co 7419 ℝcr 11116 1c1 11118 + caddc 11120 4c4 12314 5c5 12315 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-i2m1 11185 ax-1ne0 11186 ax-rrecex 11189 ax-cnre 11190 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-iota 6496 df-fv 6548 df-ov 7422 df-2 12320 df-3 12321 df-4 12322 df-5 12323 |
| This theorem is used by: 6re 12348 3lt5 12438 2lt5 12439 1lt5 12440 5lt6 12441 4lt6 12442 5lt7 12447 4lt7 12448 5lt8 12454 4lt8 12455 5lt9 12462 4lt9 12463 5lt10 12870 5recm6rec 12879 5eluz3 12925 5rp 13041 fz0to5un2tp 13678 ef01bndlem 16264 prm23ge5 16899 prmlem1 17191 vscandxnscandx 17401 slotsdifipndx 17412 slotstnscsi 17437 plendxnscandx 17450 slotsdnscsi 17469 ppiublem1 27419 ppiub 27421 bposlem3 27503 bposlem4 27504 bposlem5 27505 bposlem6 27506 bposlem8 27508 bposlem9 27509 lgsdir2lem1 27542 gausslemma2dlem4 27586 2lgslem3 27621 ex-id 30858 ex-sqrt 30878 threehalves 33306 cyc3conja 33543 hgt750lem2 35106 hgt750leme 35112 problem2 36197 12gcd5e1 42830 lcmineqlem23 42878 3lexlogpow2ineq1 42885 3lexlogpow2ineq2 42886 aks4d1p1p4 42898 aks4d1p1p6 42900 aks4d1p1p7 42901 aks4d1p1p5 42902 stoweidlem13 46787 goldrarr 47678 goldrasin 47679 goldrapos 47680 goldracos5teq 47682 ceil5half3 48143 modm2nep1 48169 modp2nep1 48170 modm1nep2 48171 modm1nem2 48172 modm1p1ne 48173 31prm 48409 gbegt5 48586 gbowgt5 48587 sbgoldbo 48612 nnsum3primesle9 48619 nnsum4primesodd 48621 evengpop3 48623 usgrexmpl1lem 48846 usgrexmpl2lem 48851 usgrexmpl2nb4 48860 usgrexmpl2nb5 48861 gpg5nbgrvtx13starlem2 48897 gpg5nbgr3star 48906 gpg5edgnedg 48955 |
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