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Theorem satfrnmapom 36114
Description: The range of the satisfaction predicate as function over wff codes in any model 𝑀 and any binary relation 𝐸 on 𝑀 for a natural number 𝑁 is a subset of the power set of all mappings from the natural numbers into the model 𝑀. (Contributed by AV, 13-Oct-2023.)
Assertion
Ref Expression
satfrnmapom ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊 ∧ 𝑁 ∈ ω) → ran ((𝑀 Sat 𝐸)‘𝑁) ⊆ 𝒫 (𝑀 ↑m ω))

Proof of Theorem satfrnmapom
Dummy variables 𝑎 𝑏 𝑓 𝑖 𝑗 𝑢 𝑣 𝑥 𝑦 𝑧 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fveq2 6883 . . . . . . . . 9 (𝑎 = ∅ → ((𝑀 Sat 𝐸)‘𝑎) = ((𝑀 Sat 𝐸)‘∅))
21rneqd 5920 . . . . . . . 8 (𝑎 = ∅ → ran ((𝑀 Sat 𝐸)‘𝑎) = ran ((𝑀 Sat 𝐸)‘∅))
32eleq2d 2847 . . . . . . 7 (𝑎 = ∅ → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) ↔ 𝑛 ∈ ran ((𝑀 Sat 𝐸)‘∅)))
43imbi1d 344 . . . . . 6 (𝑎 = ∅ → ((𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘∅) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
54imbi2d 343 . . . . 5 (𝑎 = ∅ → (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))) ↔ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘∅) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))))
6 fveq2 6883 . . . . . . . . 9 (𝑎 = 𝑏 → ((𝑀 Sat 𝐸)‘𝑎) = ((𝑀 Sat 𝐸)‘𝑏))
76rneqd 5920 . . . . . . . 8 (𝑎 = 𝑏 → ran ((𝑀 Sat 𝐸)‘𝑎) = ran ((𝑀 Sat 𝐸)‘𝑏))
87eleq2d 2847 . . . . . . 7 (𝑎 = 𝑏 → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) ↔ 𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏)))
98imbi1d 344 . . . . . 6 (𝑎 = 𝑏 → ((𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
109imbi2d 343 . . . . 5 (𝑎 = 𝑏 → (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))) ↔ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))))
11 fveq2 6883 . . . . . . . . 9 (𝑎 = suc 𝑏 → ((𝑀 Sat 𝐸)‘𝑎) = ((𝑀 Sat 𝐸)‘suc 𝑏))
1211rneqd 5920 . . . . . . . 8 (𝑎 = suc 𝑏 → ran ((𝑀 Sat 𝐸)‘𝑎) = ran ((𝑀 Sat 𝐸)‘suc 𝑏))
1312eleq2d 2847 . . . . . . 7 (𝑎 = suc 𝑏 → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) ↔ 𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏)))
1413imbi1d 344 . . . . . 6 (𝑎 = suc 𝑏 → ((𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
1514imbi2d 343 . . . . 5 (𝑎 = suc 𝑏 → (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))) ↔ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))))
16 fveq2 6883 . . . . . . . . 9 (𝑎 = 𝑁 → ((𝑀 Sat 𝐸)‘𝑎) = ((𝑀 Sat 𝐸)‘𝑁))
1716rneqd 5920 . . . . . . . 8 (𝑎 = 𝑁 → ran ((𝑀 Sat 𝐸)‘𝑎) = ran ((𝑀 Sat 𝐸)‘𝑁))
1817eleq2d 2847 . . . . . . 7 (𝑎 = 𝑁 → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) ↔ 𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑁)))
1918imbi1d 344 . . . . . 6 (𝑎 = 𝑁 → ((𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑁) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
2019imbi2d 343 . . . . 5 (𝑎 = 𝑁 → (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑎) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))) ↔ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑁) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))))
21 eqid 2761 . . . . . . . . 9 (𝑀 Sat 𝐸) = (𝑀 Sat 𝐸)
2221satfv0 36102 . . . . . . . 8 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → ((𝑀 Sat 𝐸)‘∅) = {⟨𝑥, 𝑦⟩ ∣ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})})
2322rneqd 5920 . . . . . . 7 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → ran ((𝑀 Sat 𝐸)‘∅) = ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})})
2423eleq2d 2847 . . . . . 6 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘∅) ↔ 𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})}))
25 rnopab 5936 . . . . . . . 8 ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})} = {𝑦 ∣ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})}
2625eleq2i 2853 . . . . . . 7 (𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})} ↔ 𝑛 ∈ {𝑦 ∣ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})})
27 vex 3455 . . . . . . . . . 10 𝑛 ∈ V
28 eqeq1 2765 . . . . . . . . . . . . 13 (𝑦 = 𝑛 → (𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)} ↔ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}))
2928anbi2d 642 . . . . . . . . . . . 12 (𝑦 = 𝑛 → ((𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) ↔ (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})))
30292rexbidv 3228 . . . . . . . . . . 11 (𝑦 = 𝑛 → (∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) ↔ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})))
3130exbidv 1954 . . . . . . . . . 10 (𝑦 = 𝑛 → (∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) ↔ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})))
3227, 31elab 3633 . . . . . . . . 9 (𝑛 ∈ {𝑦 ∣ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})} ↔ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}))
33 ovex 7451 . . . . . . . . . . . . . . 15 (𝑀 ↑m ω) ∈ V
34 ssrab2 4028 . . . . . . . . . . . . . . 15 {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)} ⊆ (𝑀 ↑m ω)
3533, 34elpwi2 5297 . . . . . . . . . . . . . 14 {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)} ∈ 𝒫 (𝑀 ↑m ω)
36 eleq1 2849 . . . . . . . . . . . . . 14 (𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)} → (𝑛 ∈ 𝒫 (𝑀 ↑m ω) ↔ {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)} ∈ 𝒫 (𝑀 ↑m ω)))
3735, 36mpbiri 261 . . . . . . . . . . . . 13 (𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)} → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
3837adantl 487 . . . . . . . . . . . 12 ((𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
3938a1i 11 . . . . . . . . . . 11 ((𝑖 ∈ ω ∧ 𝑗 ∈ ω) → ((𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
4039rexlimivv 3205 . . . . . . . . . 10 (∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
4140exlimiv 1963 . . . . . . . . 9 (∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑛 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
4232, 41sylbi 220 . . . . . . . 8 (𝑛 ∈ {𝑦 ∣ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})} → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
4342a1i 11 . . . . . . 7 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ {𝑦 ∣ ∃𝑥∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})} → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
4426, 43biimtrid 245 . . . . . 6 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑖 ∈ ω ∃𝑗 ∈ ω (𝑥 = (𝑖∈𝑔𝑗) ∧ 𝑦 = {𝑓 ∈ (𝑀 ↑m ω) ∣ (𝑓‘𝑖)𝐸(𝑓‘𝑗)})} → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
4524, 44sylbid 243 . . . . 5 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘∅) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
4621satfvsuc 36105 . . . . . . . . . . . . . . 15 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊 ∧ 𝑏 ∈ ω) → ((𝑀 Sat 𝐸)‘suc 𝑏) = (((𝑀 Sat 𝐸)‘𝑏) ∪ {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}))
47463expa 1136 . . . . . . . . . . . . . 14 (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) ∧ 𝑏 ∈ ω) → ((𝑀 Sat 𝐸)‘suc 𝑏) = (((𝑀 Sat 𝐸)‘𝑏) ∪ {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}))
4847rneqd 5920 . . . . . . . . . . . . 13 (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) ∧ 𝑏 ∈ ω) → ran ((𝑀 Sat 𝐸)‘suc 𝑏) = ran (((𝑀 Sat 𝐸)‘𝑏) ∪ {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}))
49 rnun 6136 . . . . . . . . . . . . 13 ran (((𝑀 Sat 𝐸)‘𝑏) ∪ {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}) = (ran ((𝑀 Sat 𝐸)‘𝑏) ∪ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))})
5048, 49eqtrdi 2812 . . . . . . . . . . . 12 (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) ∧ 𝑏 ∈ ω) → ran ((𝑀 Sat 𝐸)‘suc 𝑏) = (ran ((𝑀 Sat 𝐸)‘𝑏) ∪ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}))
5150eleq2d 2847 . . . . . . . . . . 11 (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) ∧ 𝑏 ∈ ω) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) ↔ 𝑛 ∈ (ran ((𝑀 Sat 𝐸)‘𝑏) ∪ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))})))
52 elun 4100 . . . . . . . . . . . 12 (𝑛 ∈ (ran ((𝑀 Sat 𝐸)‘𝑏) ∪ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ 𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}))
53 rnopab 5936 . . . . . . . . . . . . . . 15 ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))} = {𝑦 ∣ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}
5453eleq2i 2853 . . . . . . . . . . . . . 14 (𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))} ↔ 𝑛 ∈ {𝑦 ∣ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))})
55 eqeq1 2765 . . . . . . . . . . . . . . . . . . . 20 (𝑦 = 𝑛 → (𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ↔ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))))
5655anbi2d 642 . . . . . . . . . . . . . . . . . . 19 (𝑦 = 𝑛 → ((𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ↔ (𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))))))
5756rexbidv 3187 . . . . . . . . . . . . . . . . . 18 (𝑦 = 𝑛 → (∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ↔ ∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))))))
58 eqeq1 2765 . . . . . . . . . . . . . . . . . . . 20 (𝑦 = 𝑛 → (𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ↔ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))
5958anbi2d 642 . . . . . . . . . . . . . . . . . . 19 (𝑦 = 𝑛 → ((𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ↔ (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})))
6059rexbidv 3187 . . . . . . . . . . . . . . . . . 18 (𝑦 = 𝑛 → (∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) ↔ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})))
6157, 60orbi12d 932 . . . . . . . . . . . . . . . . 17 (𝑦 = 𝑛 → ((∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ (∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))
6261rexbidv 3187 . . . . . . . . . . . . . . . 16 (𝑦 = 𝑛 → (∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))
6362exbidv 1954 . . . . . . . . . . . . . . 15 (𝑦 = 𝑛 → (∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) ↔ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))
6427, 63elab 3633 . . . . . . . . . . . . . 14 (𝑛 ∈ {𝑦 ∣ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))} ↔ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})))
6554, 64bitri 278 . . . . . . . . . . . . 13 (𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))} ↔ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})))
6665orbi2i 926 . . . . . . . . . . . 12 ((𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ 𝑛 ∈ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))
6752, 66bitri 278 . . . . . . . . . . 11 (𝑛 ∈ (ran ((𝑀 Sat 𝐸)‘𝑏) ∪ ran {⟨𝑥, 𝑦⟩ ∣ ∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑦 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑦 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))}) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))
6851, 67bitrdi 290 . . . . . . . . . 10 (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) ∧ 𝑏 ∈ ω) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})))))
6968expcom 419 . . . . . . . . 9 (𝑏 ∈ ω → ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))))
7069adantr 486 . . . . . . . 8 ((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) → ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))))))
7170imp 412 . . . . . . 7 (((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) ∧ (𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊)) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) ↔ (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})))))
72 simpr 490 . . . . . . . . 9 ((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) → ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
7372imp 412 . . . . . . . 8 (((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) ∧ (𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊)) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
74 difss 4083 . . . . . . . . . . . . . . . . . 18 ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ⊆ (𝑀 ↑m ω)
7533, 74elpwi2 5297 . . . . . . . . . . . . . . . . 17 ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ∈ 𝒫 (𝑀 ↑m ω)
76 eleq1 2849 . . . . . . . . . . . . . . . . 17 (𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) → (𝑛 ∈ 𝒫 (𝑀 ↑m ω) ↔ ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) ∈ 𝒫 (𝑀 ↑m ω)))
7775, 76mpbiri 261 . . . . . . . . . . . . . . . 16 (𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
7877adantl 487 . . . . . . . . . . . . . . 15 ((𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
7978adantl 487 . . . . . . . . . . . . . 14 ((𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏) ∧ (𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣))))) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
8079rexlimiva 3156 . . . . . . . . . . . . 13 (∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
81 ssrab2 4028 . . . . . . . . . . . . . . . . . 18 {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ⊆ (𝑀 ↑m ω)
8233, 81elpwi2 5297 . . . . . . . . . . . . . . . . 17 {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ∈ 𝒫 (𝑀 ↑m ω)
83 eleq1 2849 . . . . . . . . . . . . . . . . 17 (𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} → (𝑛 ∈ 𝒫 (𝑀 ↑m ω) ↔ {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} ∈ 𝒫 (𝑀 ↑m ω)))
8482, 83mpbiri 261 . . . . . . . . . . . . . . . 16 (𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)} → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
8584adantl 487 . . . . . . . . . . . . . . 15 ((𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
8685a1i 11 . . . . . . . . . . . . . 14 (𝑖 ∈ ω → ((𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
8786rexlimiv 3157 . . . . . . . . . . . . 13 (∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
8880, 87jaoi 871 . . . . . . . . . . . 12 ((∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
8988a1i 11 . . . . . . . . . . 11 (𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏) → ((∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
9089rexlimiv 3157 . . . . . . . . . 10 (∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
9190exlimiv 1963 . . . . . . . . 9 (∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))
9291a1i 11 . . . . . . . 8 (((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) ∧ (𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊)) → (∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)})) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
9373, 92jaod 873 . . . . . . 7 (((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) ∧ (𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊)) → ((𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) ∨ ∃𝑥∃𝑢 ∈ ((𝑀 Sat 𝐸)‘𝑏)(∃𝑣 ∈ ((𝑀 Sat 𝐸)‘𝑏)(𝑥 = ((1st ‘𝑢)⊼𝑔(1st ‘𝑣)) ∧ 𝑛 = ((𝑀 ↑m ω) ∖ ((2nd ‘𝑢) ∩ (2nd ‘𝑣)))) ∨ ∃𝑖 ∈ ω (𝑥 = ∀𝑔𝑖(1st ‘𝑢) ∧ 𝑛 = {𝑎 ∈ (𝑀 ↑m ω) ∣ ∀𝑧 ∈ 𝑀 ({⟨𝑖, 𝑧⟩} ∪ (𝑎 ↾ (ω ∖ {𝑖}))) ∈ (2nd ‘𝑢)}))) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
9471, 93sylbid 243 . . . . . 6 (((𝑏 ∈ ω ∧ ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))) ∧ (𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊)) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
9594exp31 425 . . . . 5 (𝑏 ∈ ω → (((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))) → ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘suc 𝑏) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))))
965, 10, 15, 20, 45, 95finds 7906 . . . 4 (𝑁 ∈ ω → ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑁) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
9796com12 33 . . 3 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊) → (𝑁 ∈ ω → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑁) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω))))
98973impia 1135 . 2 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊 ∧ 𝑁 ∈ ω) → (𝑛 ∈ ran ((𝑀 Sat 𝐸)‘𝑁) → 𝑛 ∈ 𝒫 (𝑀 ↑m ω)))
9998ssrdv 3937 1 ((𝑀 ∈ 𝑉 ∧ 𝐸 ∈ 𝑊 ∧ 𝑁 ∈ ω) → ran ((𝑀 Sat 𝐸)‘𝑁) ⊆ 𝒫 (𝑀 ↑m ω))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   ∨ wo 861   ∧ w3a 1103   = wceq 1570  ∃wex 1812   ∈ wcel 2145  {cab 2739  ∀wral 3077  ∃wrex 3087  {crab 3413  Vcvv 3451   ∖ cdif 3896   ∪ cun 3897   ∩ cin 3898   ⊆ wss 3899  ∅c0 4279  𝒫 cpw 4557  {csn 4584  ⟨cop 4590   class class class wbr 5103  {copab 5167  ran crn 5652   ↾ cres 5653  suc csuc 6363  ‘cfv 6537  (class class class)co 7418  ωcom 7875  1st c1st 7997  2nd c2nd 7998   ↑m cmap 8840  ∈𝑔cgoe 36077  ⊼𝑔cgna 36078  ∀𝑔cgol 36079   Sat csat 36080
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 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7749  ax-inf2 9635
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 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  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 6303  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-ov 7421  df-oprab 7422  df-mpo 7423  df-om 7876  df-2nd 8000  df-frecs 8292  df-wrecs 8323  df-recs 8372  df-rdg 8411  df-goel 36084  df-sat 36087
This theorem is used by:  satff  36154
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