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Mirrors > Home > MPE Home > Th. List > r1funlim | Structured version Visualization version GIF version |
Description: The cumulative hierarchy of sets function is a function on a limit ordinal. (This weak form of r1fnon 9509 avoids ax-rep 5213.) (Contributed by Mario Carneiro, 16-Nov-2014.) |
Ref | Expression |
---|---|
r1funlim | ⊢ (Fun 𝑅1 ∧ Lim dom 𝑅1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rdgfun 8231 | . . 3 ⊢ Fun rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅) | |
2 | df-r1 9506 | . . . 4 ⊢ 𝑅1 = rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅) | |
3 | 2 | funeqi 6451 | . . 3 ⊢ (Fun 𝑅1 ↔ Fun rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅)) |
4 | 1, 3 | mpbir 230 | . 2 ⊢ Fun 𝑅1 |
5 | rdgdmlim 8232 | . . 3 ⊢ Lim dom rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅) | |
6 | 2 | dmeqi 5810 | . . . 4 ⊢ dom 𝑅1 = dom rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅) |
7 | limeq 6275 | . . . 4 ⊢ (dom 𝑅1 = dom rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅) → (Lim dom 𝑅1 ↔ Lim dom rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅))) | |
8 | 6, 7 | ax-mp 5 | . . 3 ⊢ (Lim dom 𝑅1 ↔ Lim dom rec((𝑥 ∈ V ↦ 𝒫 𝑥), ∅)) |
9 | 5, 8 | mpbir 230 | . 2 ⊢ Lim dom 𝑅1 |
10 | 4, 9 | pm3.2i 470 | 1 ⊢ (Fun 𝑅1 ∧ Lim dom 𝑅1) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 ∧ wa 395 = wceq 1541 Vcvv 3430 ∅c0 4261 𝒫 cpw 4538 ↦ cmpt 5161 dom cdm 5588 Lim wlim 6264 Fun wfun 6424 reccrdg 8224 𝑅1cr1 9504 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-sep 5226 ax-nul 5233 ax-pr 5355 ax-un 7579 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-ral 3070 df-rex 3071 df-reu 3072 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-ov 7271 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-r1 9506 |
This theorem is referenced by: r1limg 9513 r1fin 9515 r1tr 9518 r1ordg 9520 r1ord3g 9521 r1pwss 9526 r1val1 9528 rankwflemb 9535 r1elwf 9538 rankr1ai 9540 rankdmr1 9543 rankr1ag 9544 rankr1bg 9545 r1elssi 9547 pwwf 9549 unwf 9552 rankr1clem 9562 rankr1c 9563 rankval3b 9568 rankonidlem 9570 onssr1 9573 rankeq0b 9602 ackbij2 9983 wunom 10460 |
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