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| Mirrors > Home > MPE Home > Th. List > elmade2 | Structured version Visualization version GIF version | ||
| Description: Membership in the made function in terms of the old function. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| elmade2 | ⊢ (𝐴 ∈ On → (𝑋 ∈ (M‘𝐴) ↔ ∃𝑙 ∈ 𝒫 (O‘𝐴)∃𝑟 ∈ 𝒫 (O‘𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmade 28252 | . 2 ⊢ (𝐴 ∈ On → (𝑋 ∈ (M‘𝐴) ↔ ∃𝑙 ∈ 𝒫 ∪ (M “ 𝐴)∃𝑟 ∈ 𝒫 ∪ (M “ 𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋))) | |
| 2 | oldval 28229 | . . . 4 ⊢ (𝐴 ∈ On → (O‘𝐴) = ∪ (M “ 𝐴)) | |
| 3 | 2 | pweqd 4573 | . . 3 ⊢ (𝐴 ∈ On → 𝒫 (O‘𝐴) = 𝒫 ∪ (M “ 𝐴)) |
| 4 | 3 | rexeqdv 3320 | . . 3 ⊢ (𝐴 ∈ On → (∃𝑟 ∈ 𝒫 (O‘𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋) ↔ ∃𝑟 ∈ 𝒫 ∪ (M “ 𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋))) |
| 5 | 3, 4 | rexeqbidv 3335 | . 2 ⊢ (𝐴 ∈ On → (∃𝑙 ∈ 𝒫 (O‘𝐴)∃𝑟 ∈ 𝒫 (O‘𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋) ↔ ∃𝑙 ∈ 𝒫 ∪ (M “ 𝐴)∃𝑟 ∈ 𝒫 ∪ (M “ 𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋))) |
| 6 | 1, 5 | bitr4d 285 | 1 ⊢ (𝐴 ∈ On → (𝑋 ∈ (M‘𝐴) ↔ ∃𝑙 ∈ 𝒫 (O‘𝐴)∃𝑟 ∈ 𝒫 (O‘𝐴)(𝑙 <<s 𝑟 ∧ (𝑙 |s 𝑟) = 𝑋))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∃wrex 3086 𝒫 cpw 4556 ∪ cuni 4866 class class class wbr 5102 “ cima 5654 Oncon0 6365 ‘cfv 6543 (class class class)co 7424 <<s cslts 28152 |s ccuts 28154 Mcmade 28217 Ocold 28218 |
| 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 5327 ax-pr 5391 ax-un 7755 |
| 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 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 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 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-2nd 8006 df-frecs 8307 df-wrecs 8338 df-recs 8387 df-1o 8484 df-2o 8485 df-no 28009 df-lts 28010 df-bday 28011 df-slts 28153 df-cuts 28155 df-made 28222 df-old 28223 |
| This theorem is used by: madecut 28278 madebdayim 28283 |
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