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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 8325 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | readdcl 8305 | . 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 8178 1c1 8180 + caddc 8182 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 108 ax-1re 8273 ax-addrcl 8276 |
| This theorem is used by: lep1 9177 letrp1 9180 p1le 9181 ledivp1 9235 nnssre 9310 nn1suc 9325 nnge1 9329 div4p1lem1div2 9563 zltp1le 9703 suprzclex 9748 zeo 9755 peano2uz2 9757 uzind 9761 btwnapz 9780 numltc 9811 ge0p1rp 10096 fznatpl1 10493 ubmelm1fzo 10654 infssuzex 10676 qbtwnxr 10702 flhalf 10750 fldiv4p1lem1div2 10753 seq3split 10938 seq3f1olemqsumk 10962 seqf1oglem1 10969 seqf1oglem2 10970 bernneq3 11113 facwordi 11192 faclbnd 11193 expcnvap0 12285 cvgratnnlemfm 12312 cvgratnnlemrate 12313 cvgratz 12315 mertenslemi1 12318 fprodntrivap 12367 divalglemnqt 12703 nonsq 13003 eulerthlema 13028 pcfac 13149 1arith 13166 ennnfonelemkh 13352 tgioo 15704 suplociccreex 15774 hoverb 15798 reeff1olem 15921 ppiqltx 16183 ppiqub 16194 bcmono 16202 lgsvalmod 16236 gausslemma2dlem3 16280 lgsquadlem2 16295 eupth2lemsfi 16817 |
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