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| Mirrors > Home > MPE Home > Th. List > pltle | Structured version Visualization version GIF version | ||
| Description: "Less than" implies "less than or equal to". (pssss 4036 analog.) (Contributed by NM, 4-Dec-2011.) |
| Ref | Expression |
|---|---|
| pltval.l | ⊢ ≤ = (le‘𝐾) |
| pltval.s | ⊢ < = (lt‘𝐾) |
| Ref | Expression |
|---|---|
| pltle | ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐶) → (𝑋 < 𝑌 → 𝑋 ≤ 𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pltval.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
| 2 | pltval.s | . . . 4 ⊢ < = (lt‘𝐾) | |
| 3 | 1, 2 | pltval 18294 | . . 3 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐶) → (𝑋 < 𝑌 ↔ (𝑋 ≤ 𝑌 ∧ 𝑋 ≠ 𝑌))) |
| 4 | 3 | simprbda 499 | . 2 ⊢ (((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐶) ∧ 𝑋 < 𝑌) → 𝑋 ≤ 𝑌) |
| 5 | 4 | ex 413 | 1 ⊢ ((𝐾 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐶) → (𝑋 < 𝑌 → 𝑋 ≤ 𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ≠ wne 2935 class class class wbr 5079 ‘cfv 6492 lecple 17225 ltcplt 18272 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-iota 6448 df-fun 6494 df-fv 6500 df-plt 18292 |
| This theorem is referenced by: pleval2 18299 pltnlt 18302 pltn2lp 18303 plttr 18304 pospo 18307 ogrpaddlt 20111 orngsqr 20845 ornglmullt 20848 orngrmullt 20849 isarchi3 33275 archirngz 33277 archiabllem2a 33282 atnlt 39812 cvlcvr1 39838 hlrelat 39901 hlrelat3 39911 cvratlem 39920 atltcvr 39934 atlelt 39937 llnnlt 40022 lplnnle2at 40040 lplnnlt 40064 lvolnle3at 40081 lvolnltN 40117 cdlemblem 40292 cdlemb 40293 lhpexle1 40507 |
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