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Mirrors > Home > MPE Home > Th. List > Mathboxes > frege91 | Structured version Visualization version GIF version |
Description: Every result of an application of a procedure 𝑅 to an object 𝑋 follows that 𝑋 in the 𝑅-sequence. Proposition 91 of [Frege1879] p. 68. (Contributed by RP, 2-Jul-2020.) (Revised by RP, 5-Jul-2020.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
frege91.x | ⊢ 𝑋 ∈ 𝑈 |
frege91.y | ⊢ 𝑌 ∈ 𝑉 |
frege91.r | ⊢ 𝑅 ∈ 𝑊 |
Ref | Expression |
---|---|
frege91 | ⊢ (𝑋𝑅𝑌 → 𝑋(t+‘𝑅)𝑌) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | frege91.y | . . . . 5 ⊢ 𝑌 ∈ 𝑉 | |
2 | 1 | frege63c 41100 | . . . 4 ⊢ ([𝑌 / 𝑎]𝑋𝑅𝑎 → (𝑅 hereditary 𝑓 → (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → [𝑌 / 𝑎]𝑎 ∈ 𝑓))) |
3 | sbcbr2g 5088 | . . . . . 6 ⊢ (𝑌 ∈ 𝑉 → ([𝑌 / 𝑎]𝑋𝑅𝑎 ↔ 𝑋𝑅⦋𝑌 / 𝑎⦌𝑎)) | |
4 | csbvarg 4321 | . . . . . . 7 ⊢ (𝑌 ∈ 𝑉 → ⦋𝑌 / 𝑎⦌𝑎 = 𝑌) | |
5 | 4 | breq2d 5042 | . . . . . 6 ⊢ (𝑌 ∈ 𝑉 → (𝑋𝑅⦋𝑌 / 𝑎⦌𝑎 ↔ 𝑋𝑅𝑌)) |
6 | 3, 5 | bitrd 282 | . . . . 5 ⊢ (𝑌 ∈ 𝑉 → ([𝑌 / 𝑎]𝑋𝑅𝑎 ↔ 𝑋𝑅𝑌)) |
7 | 1, 6 | ax-mp 5 | . . . 4 ⊢ ([𝑌 / 𝑎]𝑋𝑅𝑎 ↔ 𝑋𝑅𝑌) |
8 | sbcel1v 3748 | . . . . . 6 ⊢ ([𝑌 / 𝑎]𝑎 ∈ 𝑓 ↔ 𝑌 ∈ 𝑓) | |
9 | 8 | imbi2i 339 | . . . . 5 ⊢ ((∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → [𝑌 / 𝑎]𝑎 ∈ 𝑓) ↔ (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → 𝑌 ∈ 𝑓)) |
10 | 9 | imbi2i 339 | . . . 4 ⊢ ((𝑅 hereditary 𝑓 → (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → [𝑌 / 𝑎]𝑎 ∈ 𝑓)) ↔ (𝑅 hereditary 𝑓 → (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → 𝑌 ∈ 𝑓))) |
11 | 2, 7, 10 | 3imtr3i 294 | . . 3 ⊢ (𝑋𝑅𝑌 → (𝑅 hereditary 𝑓 → (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → 𝑌 ∈ 𝑓))) |
12 | 11 | alrimiv 1934 | . 2 ⊢ (𝑋𝑅𝑌 → ∀𝑓(𝑅 hereditary 𝑓 → (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → 𝑌 ∈ 𝑓))) |
13 | frege91.x | . . 3 ⊢ 𝑋 ∈ 𝑈 | |
14 | frege91.r | . . 3 ⊢ 𝑅 ∈ 𝑊 | |
15 | 13, 1, 14 | frege90 41127 | . 2 ⊢ ((𝑋𝑅𝑌 → ∀𝑓(𝑅 hereditary 𝑓 → (∀𝑎(𝑋𝑅𝑎 → 𝑎 ∈ 𝑓) → 𝑌 ∈ 𝑓))) → (𝑋𝑅𝑌 → 𝑋(t+‘𝑅)𝑌)) |
16 | 12, 15 | ax-mp 5 | 1 ⊢ (𝑋𝑅𝑌 → 𝑋(t+‘𝑅)𝑌) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∀wal 1540 ∈ wcel 2114 [wsbc 3680 ⦋csb 3790 class class class wbr 5030 ‘cfv 6339 t+ctcl 14434 hereditary whe 40946 |
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 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2710 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5232 ax-pr 5296 ax-un 7479 ax-cnex 10671 ax-resscn 10672 ax-1cn 10673 ax-icn 10674 ax-addcl 10675 ax-addrcl 10676 ax-mulcl 10677 ax-mulrcl 10678 ax-mulcom 10679 ax-addass 10680 ax-mulass 10681 ax-distr 10682 ax-i2m1 10683 ax-1ne0 10684 ax-1rid 10685 ax-rnegex 10686 ax-rrecex 10687 ax-cnre 10688 ax-pre-lttri 10689 ax-pre-lttrn 10690 ax-pre-ltadd 10691 ax-pre-mulgt0 10692 ax-frege1 40964 ax-frege2 40965 ax-frege8 40983 ax-frege52a 41031 ax-frege58b 41075 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-ifp 1063 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2540 df-eu 2570 df-clab 2717 df-cleq 2730 df-clel 2811 df-nfc 2881 df-ne 2935 df-nel 3039 df-ral 3058 df-rex 3059 df-reu 3060 df-rab 3062 df-v 3400 df-sbc 3681 df-csb 3791 df-dif 3846 df-un 3848 df-in 3850 df-ss 3860 df-pss 3862 df-nul 4212 df-if 4415 df-pw 4490 df-sn 4517 df-pr 4519 df-tp 4521 df-op 4523 df-uni 4797 df-int 4837 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5429 df-eprel 5434 df-po 5442 df-so 5443 df-fr 5483 df-we 5485 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-pred 6129 df-ord 6175 df-on 6176 df-lim 6177 df-suc 6178 df-iota 6297 df-fun 6341 df-fn 6342 df-f 6343 df-f1 6344 df-fo 6345 df-f1o 6346 df-fv 6347 df-riota 7127 df-ov 7173 df-oprab 7174 df-mpo 7175 df-om 7600 df-2nd 7715 df-wrecs 7976 df-recs 8037 df-rdg 8075 df-er 8320 df-en 8556 df-dom 8557 df-sdom 8558 df-pnf 10755 df-mnf 10756 df-xr 10757 df-ltxr 10758 df-le 10759 df-sub 10950 df-neg 10951 df-nn 11717 df-2 11779 df-n0 11977 df-z 12063 df-uz 12325 df-seq 13461 df-trcl 14436 df-relexp 14469 df-he 40947 |
This theorem is referenced by: frege92 41129 |
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