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| Mirrors > Home > ILE Home > Th. List > peano2re | GIF version | ||
| Description: A theorem for reals analogous the second Peano postulate peano2 4744. (Contributed by NM, 5-Jul-2005.) |
| Ref | Expression |
|---|---|
| peano2re | ⊢ (𝐴 ∈ ℝ → (𝐴 + 1) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 8331 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | readdcl 8311 | . 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 6088 ℝcr 8184 1c1 8186 + caddc 8188 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 108 ax-1re 8279 ax-addrcl 8282 |
| This theorem is used by: lep1 9183 letrp1 9186 p1le 9187 ledivp1 9241 nnssre 9317 nn1suc 9332 nnge1 9336 div4p1lem1div2 9570 zltp1le 9708 suprzclex 9754 zeo 9761 peano2uz2 9763 uzind 9767 btwnapz 9786 numltc 9817 ge0p1rp 10102 fznatpl1 10499 ubmelm1fzo 10660 infssuzex 10682 qbtwnxr 10708 flaplt 10738 flhalf 10757 fldiv4p1lem1div2 10760 seq3split 10945 seq3f1olemqsumk 10969 seqf1oglem1 10976 seqf1oglem2 10977 bernneq3 11120 facwordi 11199 faclbnd 11200 expcnvap0 12293 cvgratnnlemfm 12320 cvgratnnlemrate 12321 cvgratz 12323 mertenslemi1 12326 fprodntrivap 12375 divalglemnqt 12711 nonsq 13011 eulerthlema 13036 pcfac 13157 1arith 13174 ennnfonelemkh 13360 tgioo 15797 suplociccreex 15867 hoverb 15891 reeff1olem 16014 ppiqltx 16298 ppiqub 16310 bcmono 16321 lgsvalmod 16360 gausslemma2dlem3 16404 lgsquadlem2 16419 eupth2lemsfi 16941 |
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