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| Mirrors > Home > ILE Home > Th. List > nltled | GIF version | ||
| Description: 'Not less than ' implies 'less than or equal to'. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| ltd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| ltd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| nltled.1 | ⊢ (𝜑 → ¬ 𝐵 < 𝐴) |
| Ref | Expression |
|---|---|
| nltled | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nltled.1 | . 2 ⊢ (𝜑 → ¬ 𝐵 < 𝐴) | |
| 2 | ltd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 3 | ltd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 4 | 2, 3 | lenltd 8290 | . 2 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ¬ 𝐵 < 𝐴)) |
| 5 | 1, 4 | mpbird 167 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ∈ wcel 2200 class class class wbr 4086 ℝcr 8024 < clt 8207 ≤ cle 8208 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-br 4087 df-opab 4149 df-xp 4729 df-cnv 4731 df-xr 8211 df-le 8213 |
| This theorem is referenced by: ltntri 8300 suprubex 9124 infregelbex 9825 zsupcl 10484 zssinfcl 10485 infssuzledc 10487 seqf1oglem1 10774 cvgratz 12086 bitsfzolem 12508 bitsmod 12510 dvdslegcd 12528 pw2dvdseulemle 12732 gsumfzval 13467 gsumfzcl 13575 gsumfzreidx 13917 gsumfzsubmcl 13918 gsumfzmptfidmadd 13919 gsumfzmhm 13923 gsumfzfsum 14595 dedekindeulemuub 15334 dedekindeulemlu 15338 suplociccex 15342 dedekindicclemuub 15343 dedekindicclemlu 15347 ivthinclemlopn 15353 ivthinclemuopn 15355 refeq 16582 |
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