| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > rightf | Structured version Visualization version GIF version | ||
| Description: The functionality of the right options function. (Contributed by Scott Fenton, 6-Aug-2024.) |
| Ref | Expression |
|---|---|
| rightf | ⊢ R:No⟶𝒫 No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-right 28247 | . 2 ⊢ R = (𝑥 ∈ No ↦ {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦}) | |
| 2 | bdayon 28168 | . . . . . . . 8 ⊢ (bday‘𝑥) ∈ On | |
| 3 | oldf 28253 | . . . . . . . . 9 ⊢ O:On⟶𝒫 No | |
| 4 | 3 | ffvelcdmi 7107 | . . . . . . . 8 ⊢ ((bday‘𝑥) ∈ On → (O‘(bday‘𝑥)) ∈ 𝒫 No) |
| 5 | 2, 4 | mp1i 14 | . . . . . . 7 ⊢ (𝑥 ∈ No → (O‘(bday‘𝑥)) ∈ 𝒫 No) |
| 6 | 5 | elpwid 4569 | . . . . . 6 ⊢ (𝑥 ∈ No → (O‘(bday‘𝑥)) ⊆ No) |
| 7 | 6 | sselda 3913 | . . . . 5 ⊢ ((𝑥 ∈ No ∧ 𝑦 ∈ (O‘(bday‘𝑥))) → 𝑦 ∈ No) |
| 8 | 7 | a1d 26 | . . . 4 ⊢ ((𝑥 ∈ No ∧ 𝑦 ∈ (O‘(bday‘𝑥))) → (𝑥 <s 𝑦 → 𝑦 ∈ No)) |
| 9 | 8 | ralrimiva 3158 | . . 3 ⊢ (𝑥 ∈ No → ∀𝑦 ∈ (O‘(bday‘𝑥))(𝑥 <s 𝑦 → 𝑦 ∈ No)) |
| 10 | fvex 6921 | . . . . . 6 ⊢ (O‘(bday‘𝑥)) ∈ V | |
| 11 | 10 | rabex 5304 | . . . . 5 ⊢ {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ∈ V |
| 12 | 11 | elpw 4564 | . . . 4 ⊢ ({𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ∈ 𝒫 No ↔ {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ⊆ No) |
| 13 | rabss 3998 | . . . 4 ⊢ ({𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ⊆ No ↔ ∀𝑦 ∈ (O‘(bday‘𝑥))(𝑥 <s 𝑦 → 𝑦 ∈ No)) | |
| 14 | 12, 13 | bitri 278 | . . 3 ⊢ ({𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ∈ 𝒫 No ↔ ∀𝑦 ∈ (O‘(bday‘𝑥))(𝑥 <s 𝑦 → 𝑦 ∈ No)) |
| 15 | 9, 14 | sylibr 237 | . 2 ⊢ (𝑥 ∈ No → {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ∈ 𝒫 No) |
| 16 | 1, 15 | fmpti 7136 | 1 ⊢ R:No⟶𝒫 No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2147 ∀wral 3080 {crab 3416 ⊆ wss 3900 𝒫 cpw 4560 class class class wbr 5106 Oncon0 6380 ⟶wf 6554 ‘cfv 6558 Nocsur 28027 <s clts 28028 bdaycbday 28029 Ocold 28239 Rcright 28242 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-1o 8504 df-2o 8505 df-no 28030 df-lts 28031 df-bday 28032 df-slts 28174 df-cuts 28176 df-made 28243 df-old 28244 df-right 28247 |
| This theorem is used by: sltsright 28277 lltr 28278 lrold 28313 |
| Copyright terms: Public domain | W3C validator |