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Mirrors > Home > MPE Home > Th. List > Mathboxes > frrlem16 | Structured version Visualization version GIF version |
Description: Lemma for general founded recursion. Establish a subset relationship. (Contributed by Scott Fenton, 11-Sep-2023.) |
Ref | Expression |
---|---|
frrlem16 | ⊢ (((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) → ∀𝑤 ∈ TrPred (𝑅, 𝐴, 𝑧)Pred(𝑅, 𝐴, 𝑤) ⊆ TrPred(𝑅, 𝐴, 𝑧)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simplr 767 | . . . 4 ⊢ ((((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) ∧ 𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧)) → 𝑧 ∈ 𝐴) | |
2 | simpllr 774 | . . . 4 ⊢ ((((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) ∧ 𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧)) → 𝑅 Se 𝐴) | |
3 | 1, 2 | jca 514 | . . 3 ⊢ ((((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) ∧ 𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧)) → (𝑧 ∈ 𝐴 ∧ 𝑅 Se 𝐴)) |
4 | simpr 487 | . . 3 ⊢ ((((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) ∧ 𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧)) → 𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧)) | |
5 | trpredtr 33088 | . . 3 ⊢ ((𝑧 ∈ 𝐴 ∧ 𝑅 Se 𝐴) → (𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧) → Pred(𝑅, 𝐴, 𝑤) ⊆ TrPred(𝑅, 𝐴, 𝑧))) | |
6 | 3, 4, 5 | sylc 65 | . 2 ⊢ ((((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) ∧ 𝑤 ∈ TrPred(𝑅, 𝐴, 𝑧)) → Pred(𝑅, 𝐴, 𝑤) ⊆ TrPred(𝑅, 𝐴, 𝑧)) |
7 | 6 | ralrimiva 3181 | 1 ⊢ (((𝑅 Fr 𝐴 ∧ 𝑅 Se 𝐴) ∧ 𝑧 ∈ 𝐴) → ∀𝑤 ∈ TrPred (𝑅, 𝐴, 𝑧)Pred(𝑅, 𝐴, 𝑤) ⊆ TrPred(𝑅, 𝐴, 𝑧)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2113 ∀wral 3137 ⊆ wss 3929 Fr wfr 5504 Se wse 5505 Predcpred 6140 TrPredctrpred 33075 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5323 ax-un 7454 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-ne 3016 df-ral 3142 df-rex 3143 df-reu 3144 df-rab 3146 df-v 3493 df-sbc 3769 df-csb 3877 df-dif 3932 df-un 3934 df-in 3936 df-ss 3945 df-pss 3947 df-nul 4285 df-if 4461 df-pw 4534 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-se 5508 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-om 7574 df-wrecs 7940 df-recs 8001 df-rdg 8039 df-trpred 33076 |
This theorem is referenced by: frr1 33163 |
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