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| Mirrors > Home > MPE Home > Th. List > hsmexlem7 | Structured version Visualization version GIF version | ||
| Description: Lemma for hsmex 10345. Properties of the recurrent sequence of ordinals. (Contributed by Stefan O'Rear, 14-Feb-2015.) |
| Ref | Expression |
|---|---|
| hsmexlem7.h | ⊢ 𝐻 = (rec((𝑧 ∈ V ↦ (har‘𝒫 (𝑋 × 𝑧))), (har‘𝒫 𝑋)) ↾ ω) |
| Ref | Expression |
|---|---|
| hsmexlem7 | ⊢ (𝐻‘∅) = (har‘𝒫 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hsmexlem7.h | . . 3 ⊢ 𝐻 = (rec((𝑧 ∈ V ↦ (har‘𝒫 (𝑋 × 𝑧))), (har‘𝒫 𝑋)) ↾ ω) | |
| 2 | 1 | fveq1i 6828 | . 2 ⊢ (𝐻‘∅) = ((rec((𝑧 ∈ V ↦ (har‘𝒫 (𝑋 × 𝑧))), (har‘𝒫 𝑋)) ↾ ω)‘∅) |
| 3 | fvex 6840 | . . 3 ⊢ (har‘𝒫 𝑋) ∈ V | |
| 4 | fr0g 8365 | . . 3 ⊢ ((har‘𝒫 𝑋) ∈ V → ((rec((𝑧 ∈ V ↦ (har‘𝒫 (𝑋 × 𝑧))), (har‘𝒫 𝑋)) ↾ ω)‘∅) = (har‘𝒫 𝑋)) | |
| 5 | 3, 4 | ax-mp 5 | . 2 ⊢ ((rec((𝑧 ∈ V ↦ (har‘𝒫 (𝑋 × 𝑧))), (har‘𝒫 𝑋)) ↾ ω)‘∅) = (har‘𝒫 𝑋) |
| 6 | 2, 5 | eqtri 2762 | 1 ⊢ (𝐻‘∅) = (har‘𝒫 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∈ wcel 2119 Vcvv 3431 ∅c0 4261 𝒫 cpw 4529 ↦ cmpt 5153 × cxp 5616 ↾ cres 5620 ‘cfv 6485 ωcom 7806 reccrdg 8338 harchar 9461 |
| 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 2711 ax-sep 5218 ax-nul 5228 ax-pr 5362 ax-un 7678 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 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 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-tr 5180 df-id 5513 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5571 df-we 5573 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-pred 6252 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-ov 7359 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 |
| This theorem is referenced by: hsmexlem9 10338 hsmexlem4 10342 |
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