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| 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 28222 | . 2 ⊢ R = (𝑥 ∈ No ↦ {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦}) | |
| 2 | bdayon 28143 | . . . . . . . 8 ⊢ (bday‘𝑥) ∈ On | |
| 3 | oldf 28228 | . . . . . . . . 9 ⊢ O:On⟶𝒫 No | |
| 4 | 3 | ffvelcdmi 7083 | . . . . . . . 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 4565 | . . . . . 6 ⊢ (𝑥 ∈ No → (O‘(bday‘𝑥)) ⊆ No) |
| 7 | 6 | sselda 3908 | . . . . 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 3154 | . . 3 ⊢ (𝑥 ∈ No → ∀𝑦 ∈ (O‘(bday‘𝑥))(𝑥 <s 𝑦 → 𝑦 ∈ No)) |
| 10 | fvex 6898 | . . . . . 6 ⊢ (O‘(bday‘𝑥)) ∈ V | |
| 11 | 10 | rabex 5299 | . . . . 5 ⊢ {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ∈ V |
| 12 | 11 | elpw 4560 | . . . 4 ⊢ ({𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ∈ 𝒫 No ↔ {𝑦 ∈ (O‘(bday‘𝑥)) ∣ 𝑥 <s 𝑦} ⊆ No) |
| 13 | rabss 3995 | . . . 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 7112 | 1 ⊢ R:No⟶𝒫 No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2144 ∀wral 3076 {crab 3412 ⊆ wss 3895 𝒫 cpw 4556 class class class wbr 5102 Oncon0 6362 ⟶wf 6534 ‘cfv 6538 Nocsur 28002 <s clts 28003 bdaycbday 28004 Ocold 28214 Rcright 28217 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-1o 8479 df-2o 8480 df-no 28005 df-lts 28006 df-bday 28007 df-slts 28149 df-cuts 28151 df-made 28218 df-old 28219 df-right 28222 |
| This theorem is used by: sltsright 28252 lltr 28253 lrold 28288 |
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