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Mirrors > Home > MPE Home > Th. List > Mathboxes > trpredeq1d | Structured version Visualization version GIF version |
Description: Equality deduction for transitive predecessors. (Contributed by Scott Fenton, 2-Feb-2011.) |
Ref | Expression |
---|---|
trpredeq1d.1 | ⊢ (𝜑 → 𝑅 = 𝑆) |
Ref | Expression |
---|---|
trpredeq1d | ⊢ (𝜑 → TrPred(𝑅, 𝐴, 𝑋) = TrPred(𝑆, 𝐴, 𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | trpredeq1d.1 | . 2 ⊢ (𝜑 → 𝑅 = 𝑆) | |
2 | trpredeq1 30964 | . 2 ⊢ (𝑅 = 𝑆 → TrPred(𝑅, 𝐴, 𝑋) = TrPred(𝑆, 𝐴, 𝑋)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → TrPred(𝑅, 𝐴, 𝑋) = TrPred(𝑆, 𝐴, 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 TrPredctrpred 30961 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-xp 5044 df-cnv 5046 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-iota 5768 df-fv 5812 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-trpred 30962 |
This theorem is referenced by: (None) |
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