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| Mirrors > Home > MPE Home > Th. List > Mathboxes > p1lep2 | Structured version Visualization version GIF version | ||
| Description: A real number increasd by 1 is less than or equal to the number increased by 2. (Contributed by Alexander van der Vekens, 17-Sep-2018.) |
| Ref | Expression |
|---|---|
| p1lep2 | ⊢ (𝑁 ∈ ℝ → (𝑁 + 1) ≤ (𝑁 + 2)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1red 11193 | . 2 ⊢ (𝑁 ∈ ℝ → 1 ∈ ℝ) | |
| 2 | 2re 12271 | . . 3 ⊢ 2 ∈ ℝ | |
| 3 | 2 | a1i 11 | . 2 ⊢ (𝑁 ∈ ℝ → 2 ∈ ℝ) |
| 4 | id 22 | . 2 ⊢ (𝑁 ∈ ℝ → 𝑁 ∈ ℝ) | |
| 5 | 1le2 12406 | . . 3 ⊢ 1 ≤ 2 | |
| 6 | 5 | a1i 11 | . 2 ⊢ (𝑁 ∈ ℝ → 1 ≤ 2) |
| 7 | 1, 3, 4, 6 | leadd2dd 11809 | 1 ⊢ (𝑁 ∈ ℝ → (𝑁 + 1) ≤ (𝑁 + 2)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 class class class wbr 5115 (class class class)co 7394 ℝcr 11085 1c1 11087 + caddc 11089 ≤ cle 11227 2c2 12252 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5259 ax-nul 5269 ax-pow 5328 ax-pr 5395 ax-un 7718 ax-resscn 11143 ax-1cn 11144 ax-icn 11145 ax-addcl 11146 ax-addrcl 11147 ax-mulcl 11148 ax-mulrcl 11149 ax-mulcom 11150 ax-addass 11151 ax-mulass 11152 ax-distr 11153 ax-i2m1 11154 ax-1ne0 11155 ax-1rid 11156 ax-rnegex 11157 ax-rrecex 11158 ax-cnre 11159 ax-pre-lttri 11160 ax-pre-lttrn 11161 ax-pre-ltadd 11162 ax-pre-mulgt0 11163 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2880 df-ne 2928 df-nel 3032 df-ral 3047 df-rex 3056 df-reu 3358 df-rab 3412 df-v 3457 df-sbc 3762 df-csb 3871 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-nul 4305 df-if 4497 df-pw 4573 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-br 5116 df-opab 5178 df-mpt 5197 df-id 5541 df-po 5554 df-so 5555 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-f1 6524 df-fo 6525 df-f1o 6526 df-fv 6527 df-riota 7351 df-ov 7397 df-oprab 7398 df-mpo 7399 df-er 8682 df-en 8923 df-dom 8924 df-sdom 8925 df-pnf 11228 df-mnf 11229 df-xr 11230 df-ltxr 11231 df-le 11232 df-sub 11425 df-neg 11426 df-2 12260 |
| This theorem is referenced by: (None) |
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