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Mirrors > Home > MPE Home > Th. List > pltfval | Structured version Visualization version GIF version |
Description: Value of the less-than relation. (Contributed by Mario Carneiro, 8-Feb-2015.) |
Ref | Expression |
---|---|
pltval.l | ⊢ ≤ = (le‘𝐾) |
pltval.s | ⊢ < = (lt‘𝐾) |
Ref | Expression |
---|---|
pltfval | ⊢ (𝐾 ∈ 𝐴 → < = ( ≤ ∖ I )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pltval.s | . 2 ⊢ < = (lt‘𝐾) | |
2 | elex 3185 | . . 3 ⊢ (𝐾 ∈ 𝐴 → 𝐾 ∈ V) | |
3 | fveq2 6103 | . . . . . 6 ⊢ (𝑝 = 𝐾 → (le‘𝑝) = (le‘𝐾)) | |
4 | pltval.l | . . . . . 6 ⊢ ≤ = (le‘𝐾) | |
5 | 3, 4 | syl6eqr 2662 | . . . . 5 ⊢ (𝑝 = 𝐾 → (le‘𝑝) = ≤ ) |
6 | 5 | difeq1d 3689 | . . . 4 ⊢ (𝑝 = 𝐾 → ((le‘𝑝) ∖ I ) = ( ≤ ∖ I )) |
7 | df-plt 16781 | . . . 4 ⊢ lt = (𝑝 ∈ V ↦ ((le‘𝑝) ∖ I )) | |
8 | fvex 6113 | . . . . . 6 ⊢ (le‘𝐾) ∈ V | |
9 | 4, 8 | eqeltri 2684 | . . . . 5 ⊢ ≤ ∈ V |
10 | difexg 4735 | . . . . 5 ⊢ ( ≤ ∈ V → ( ≤ ∖ I ) ∈ V) | |
11 | 9, 10 | ax-mp 5 | . . . 4 ⊢ ( ≤ ∖ I ) ∈ V |
12 | 6, 7, 11 | fvmpt 6191 | . . 3 ⊢ (𝐾 ∈ V → (lt‘𝐾) = ( ≤ ∖ I )) |
13 | 2, 12 | syl 17 | . 2 ⊢ (𝐾 ∈ 𝐴 → (lt‘𝐾) = ( ≤ ∖ I )) |
14 | 1, 13 | syl5eq 2656 | 1 ⊢ (𝐾 ∈ 𝐴 → < = ( ≤ ∖ I )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 Vcvv 3173 ∖ cdif 3537 I cid 4948 ‘cfv 5804 lecple 15775 ltcplt 16764 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-iota 5768 df-fun 5806 df-fv 5812 df-plt 16781 |
This theorem is referenced by: pltval 16783 opsrtoslem2 19306 relt 19780 oppglt 28985 xrslt 29007 submarchi 29071 |
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