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| Mirrors > Home > ILE Home > Th. List > peano2re | GIF version | ||
| Description: A theorem for reals analogous the second Peano postulate peano2 4742. (Contributed by NM, 5-Jul-2005.) |
| Ref | Expression |
|---|---|
| peano2re | ⊢ (𝐴 ∈ ℝ → (𝐴 + 1) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 8326 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | readdcl 8306 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 1 ∈ ℝ) → (𝐴 + 1) ∈ ℝ) | |
| 3 | 1, 2 | mpan2 429 | 1 ⊢ (𝐴 ∈ ℝ → (𝐴 + 1) ∈ ℝ) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 (class class class)co 6085 ℝcr 8179 1c1 8181 + caddc 8183 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 108 ax-1re 8274 ax-addrcl 8277 |
| This theorem is used by: lep1 9178 letrp1 9181 p1le 9182 ledivp1 9236 nnssre 9311 nn1suc 9326 nnge1 9330 div4p1lem1div2 9564 zltp1le 9704 suprzclex 9749 zeo 9756 peano2uz2 9758 uzind 9762 btwnapz 9781 numltc 9812 ge0p1rp 10097 fznatpl1 10494 ubmelm1fzo 10655 infssuzex 10677 qbtwnxr 10703 flaplt 10733 flhalf 10752 fldiv4p1lem1div2 10755 seq3split 10940 seq3f1olemqsumk 10964 seqf1oglem1 10971 seqf1oglem2 10972 bernneq3 11115 facwordi 11194 faclbnd 11195 expcnvap0 12288 cvgratnnlemfm 12315 cvgratnnlemrate 12316 cvgratz 12318 mertenslemi1 12321 fprodntrivap 12370 divalglemnqt 12706 nonsq 13006 eulerthlema 13031 pcfac 13152 1arith 13169 ennnfonelemkh 13355 tgioo 15746 suplociccreex 15816 hoverb 15840 reeff1olem 15963 ppiqltx 16242 ppiqub 16254 bcmono 16265 lgsvalmod 16304 gausslemma2dlem3 16348 lgsquadlem2 16363 eupth2lemsfi 16885 |
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